### CBSE XI Science Physics Motion in a Straight Line

## FIND THE AVERAGE SPEED OF AN OBJECT WHOSE SPEED-TIME GRAPH IS GIVEN BELOW.

**swarajtopper**30th July 2015 5:23 PM

### CBSE IX Physics Force and Laws of Motion

##
A train leaves New delhi railway station at 9am and reaches jaipur , which is at a distance of 260km at 12:45 pm the train reaches alwar at a distance 150km from delhi at 11:30 am and stop there for 15 minutes .
what is the average speed fo the train between alwar and jaipur?

**pranab.mdh.mbd**17th July 2016 10:36 PM

### CBSE VIII Mathematics Comparing Quantities

## a computer typist types a page with 20 lines in 10 minutes but he leaves 8% margin on the left side of the page. now he has to type 23 pages with 49 lines on each page which he leaves 25% more margin than before. how much time is now required to type these 23 pages

**ajayrath7**26th May 2017 7:19 PM

### CBSE X Mathematics Quadratic Equations

## At* t *mins past 2 pm the time needed by the minutes hand and a clock to show 3 pm was found to be 3 mins less than *t*^2/4 mins . Find *t*.
Answer is given in solution but i m not able to understand . Explain me with suitable statement .

*t*mins past 2 pm the time needed by the minutes hand and a clock to show 3 pm was found to be 3 mins less than

*t*^2/4 mins . Find

*t*.

**sucharitasahoo1**24th November 2017 6:02 PM

### ICSE X Mathematics Ratio and Proportion

##
3 men and 5 boys can do 19/20 th part of a work in 3 days. 4 men and 18 boys can do 14/15 th part of the work in two days. How many days does a boy to finish the whole work ?

3 men and 5 boys can do 19/20 th part of a work in 3 days. 4 men and 18 boys can do 14/15 th part of the work in two days. How many days does a boy to finish the whole work ?

**sudhanshubhushanroy**6th December 2017 6:26 AM

### Gujarat - Gujarati Medium IX ગણિત ગણક્રિયાઓ

##
4 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If after
passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

**aryap7964**6th December 2017 4:53 PM

### Gujarat - Gujarati Medium IX ગણિત ચતુષ્કોણ

## QID : 63 - Meghnad can do a piece of work in 45 hours. If he is joined by Jayshri, who is 50% more efficient, in what time will they together finish the work?

**aryap7964**8th December 2017 7:06 PM

### CBSE X Mathematics Arithmetic Progression

## If 24 clerks can clear 180 files in 15 days , then the number of clerks required to clear 240 filesin 12 days, is
- 38
- 40
- 42
- 44

- 38
- 40
- 42
- 44

**sucharitasahoo1**26th December 2017 6:04 PM

### ICSE VIII Mathematics Direct and Inverse Variations

## A train crosses two persons who are cycling in the same direction as the train, in 12 seconds and 18 seconds respectively. If the speeds of the two cyclists are 9km/h and 18km/h respectively.Find the length and speed of the train?

**mkp400**29th December 2017 8:31 AM

### ICSE VIII Mathematics Direct and Inverse Variations

## Two trains are running at 45km/h and 54km/h cross each other in 12 seconds when they run in opposite direction. When they run in the same direction,the person in the faster train observes that he crosses the other train in 32 seconds. Find the length of the two trains?

**mkp400**29th December 2017 8:35 AM

### ICSE IX Physics Measurement of Length, Volume, Time and Mass

## ► how to calculate 3•10to the power8= 2•45•1000/time. please show the calculation ina detailed way.And the dot which i have given after 3 is multiplication dot

**ipranjal01**30th April 2018 3:33 PM

### CBSE IX Physics

## A frictionless wagon is pushed, from rest, with a force of 60N for 14 seconds. If it then strikes a wall and comes to rest in 0.15 seconds, how much average force does the wall exert on the wall. GIVE WITH PROPER STEPS.

**acv27joy**6th May 2018 8:21 PM

### ICSE VIII Mathematics

## Ten pipes of the same type are required to fill a tank in 24 min.If two pipes go out of order ,how long will the remaining pipes take to fill the tank?

**nathsantanukumar**9th May 2018 5:23 PM

### ICSE VIII Mathematics

## 18 men can reap a field in 10 days .After they have wprked for 4 days,how many more men should be employed to complete the work in 4 days after then?

**nathsantanukumar**9th May 2018 5:51 PM

### CBSE XII Commerce Mathematics

## what should be the 15minute and 30 second in degrees?

**deepakagarwal1024**9th May 2018 8:39 PM

### CBSE X Mathematics

## A boat covers 32 km upstream and 36 km downstream in 7 hrs. Also, it covers 40 km upstream and 48 km downstream in 9 hrs. Finf the spead of the boat in still water and that of the stream.

**CHIDAMBAR**23rd May 2018 7:07 PM

### ICSE IX Physics Measurement of Length, Volume, Time and Mass

## The time periods of two pendulums are 1.44s and 0.36s.Calculate the ratio of their lengths ?

**nishola82**28th May 2018 2:36 PM

### JEE Plances JEE (Main) Physics

## if velocit is given by following function v=xsquare then find out relation between x & t (assume x=1m at t=0)

**gargpuneet989**25th June 2018 9:01 AM

### CBSE XI Science Physics

## A body is thrown vertically upward with a definite velocity from different places on the earth. Prove that the time of return of the body at a place will be inversely proportional to the acceleration of gravity at that place.

**bdroy_2014**27th June 2018 10:00 PM

### ICSE X Physics

## A cricket ball of mass 100 g moving with a velocity of 90 km per hour is brought to rest by a player by moving his hands back by 40 cm find impulse and time in which ball come to rest and force exerted by player

**Samrat**29th June 2018 10:38 PM

### ICSE X Physics

## For how long an motor of 2hp must operate so as to pump 5 metre cube of water from a depth of 15 m

**Samrat**30th June 2018 11:32 PM

### JEE Plances JEE (Main) Physics

## a motar car starts from rest and accelerate uniformly for 10s to a velocity of 30m/s it then runs at a constant speed and it is finally brought to rest in 80m in constant retardation total distane covered is 830m find the value of acceleration ,retardation,total time taken

**gargpuneet989**7th July 2018 6:26 PM

### CBSE XI Science Physics

## A man can swim in still water at a speed of 3kmph . He wants to cross a river the point directly opposite to his starting point . The time taken by him to cross the river if the river is 500m wide .

**arunavamitra50**8th July 2018 4:32 PM

### JEE Plances JEE (Main) Mathematics

## Ques 38

**rbhatt16**10th July 2018 11:46 PM

### CBSE XI Science Physics

## If a police car running after a thief's car with the speed 126 km/hr if a bullet is fired from the police car with the speed of 200m/s .If the speed of police car is 36 km/hr.if the initial distance between police car and thieves car is 200 m .Find out whether bullet will hit the thief car

**aryanvishwakarmaaryan**19th July 2018 1:28 PM

### JEE Plances JEE (Main) Physics

## Solve it

**hariom2083**22nd July 2018 12:18 PM

### ICSE VII Physics Motion

## Why an athlete land on sand after taking a long jump?

**drsakuntalagogoi**25th July 2018 9:48 PM

### ICSE VII Mathematics

## A TRAIN 140 M LONG IS RUNNING AT 60 KM PER HOUR. IN HOW MUCH TIME WILL IT PASS A TUNNEL 260 M LONG ?

**sms_salunke**28th July 2018 5:47 AM

### ICSE VI Physics Measurement

## differentiate between stop watch and wrist watch

**ambilyyadu**1st August 2018 9:07 PM

### NEET1 NEET1 Physics

## A bomb is dropped from an aeroplane flying horizontally with a velocity of 720 KMPH at altitude of 980 m.Time taken by the bomb to hit the ground

**valavanvino1011**10th August 2018 6:16 AM

### ICSE VIII Mathematics

## A is 3 times faster than B and takes10 days less than bto do a work. Find howmany days are required by each to complete the work separately.

**nathsantanukumar**10th August 2018 7:13 AM

### ICSE VIII Mathematics

## A & B can complete a work in25 days and 20 days respectively . after working together for some days. A leaves and B finishes the remaining work in11 days. Find after how many days A left the work?

**nathsantanukumar**10th August 2018 7:18 AM

### ICSE VIII Mathematics

## Suppose there are three people working on a project. A and B can complete it in 12 days, B & C in 15 days and C & A in 20 days . How long will it take to complete the project it a all three work together and b) each of them work weparately?

**nathsantanukumar**10th August 2018 7:21 AM

### ICSE VIII Mathematics

## Diwakar can do a work in 8 1/2 days. After Diwakar worked for 2 days, Bhaskar joined. They worked for one day. The capacity of Bhaskar is double the capacity of Diwakar.On the 4th day, the work is completed by both with the help of Harsha. In howmany dayscould Harsha alone do the work?

**nathsantanukumar**10th August 2018 7:28 AM

### NEET1 NEET1 Physics

## A hiker stands on the edge of the cliff 490m above the ground and throws a stone horizontally with an initial speed of 15ms-1 neglecting air resistance. The time taken by the stone to reach the ground in s is (take g=9.8ms-2)

**valavanvino1011**12th August 2018 5:17 PM

### ICSE VIII Mathematics

## A and B can weave a certain number of baskets in 12 days and 15 days respectively.They work together for 5 days and B leaves A n how many days will A finish the rest of the work

**afrozansari30198**12th August 2018 7:23 PM

### NEET1 NEET1 Physics

## A boat takes 2hours to travel 8km and back in still water lake. With water velocity of 4kmph, the time taken for going upstream of 8km and coming back is

**valavanvino1011**13th August 2018 8:57 PM

### NEET1 NEET1 Physics

## If the unit of length is doubled and that of mass and time is halved , the unit of energy will be

**valavanvino1011**13th August 2018 8:58 PM

### ICSE VII Mathematics Speed, Distance and Time

## Find speed distance 6km and time 2hours

**Amrahsony**20th August 2018 3:20 PM

### ICSE VII Mathematics

## A policeman follows a thief is 800 metre ahead of him. If they run at the speed of 8 km per hour and 7 km per hour respectively, How long the policeman take to catch up with the thief?

**Pradeep**20th August 2018 9:59 PM

### ICSE VI Mathematics

## A cyclist completes 15 laps around an oval racing track 400m long in 8 minutes. Find the speed of the cyclist in km/h.

**277219299760053**22nd August 2018 5:54 AM

### NEET1 NEET1 Physics

## the angular velocity of the seconds hand in a watch is

**vvelesha**22nd August 2018 10:19 PM

### CBSE VIII Mathematics

## a train travels 360 km at a uniform speed. if the speed had been 5 km/hr more, it would have taken 1 hour less for the same journey. find the speed of the ratio ?

**susanta.rkl**31st August 2018 10:41 PM

### CBSE VIII Mathematics

## the speed of a boat in still water is 8 km/hr . it can go 15 km upstream and 22 km downstream in 5 hours. find the speed of the stream

**susanta.rkl**31st August 2018 10:42 PM

### CBSE VII Mathematics

## An elevator descends into a mine shaft at the rate of 9 m per minute. If the descent starts from 20 m above the ground level how long will it take to reach -250 m?

**Sikerwar_Indore**18th September 2018 8:36 PM

### ICSE VII Mathematics

## Two trains 320m and 430m are moving in the opposite directions at a speed of 50km/hr and 40km/hr how long will it take the trains to pass each other

**anuradhajapala56570**18th September 2018 11:22 PM

### ICSE VII Mathematics Speed, Distance and Time

## Tina took 7/3 hours to travel 4/9 of the distance between town A and town B at an average speed of 72km/hour. what was Tina's average speed if she took 4 hours 12 minutes to travel from town A to town B.

**anjuparihar05**20th September 2018 12:47 PM

### ICSE VI Mathematics

## A man runs at a speed of 12km/h. How long will it take to cover distance of 8 km?

**aman71963**22nd September 2018 7:42 PM

### ICSE VII Mathematics

## A car started from town P and travelled towards town Q at 70km/h . At the same time a van started from town Q and travelled to town P at 60km/h . After 11\4 hours they were 65km apart still traveling toward each other . 1 what is the distance b/w the two town . 2 After how many hours of travel would they cross each other .

**anjuparihar05**23rd September 2018 3:16 PM

### CBSE VIII

## A car with speed 60 km/he takes 8 hrs to travel some distance. Why should be the increase in the speed of the same distance is to be covered in 7 1/2 hours?

**msthakare25**24th September 2018 8:40 PM

### ICSE VI Mathematics

## If 8 people take 1 hour to load 5760 bricks on a truck, how long would it take 6 people to load 5760 bricks on the truck

**nikitasuresh0**24th September 2018 9:48 PM

### CBSE IX Mathematics

## After covering a distance of 30km. With a uniform speed there is some defect in a train enzine and therefore its speed is reduced to 4/5 of its original speed consiquetely the train reaches its destination late by 45 minutes had it happened after covering 18 km. More the train would have reached 9 minutes earlier find the speed of train and distance of journey

**Ankujsingla**26th September 2018 1:32 PM

### ICSE VIII Mathematics Ratio and Proportion

## Rajan do ajob in 60 days how much of the job will he able to finish in a day

**akhtaransarijsr**21st October 2018 1:20 AM

### ICSE VII Mathematics

## A boy covers a distance of 4.32 km in 4 min 48 s. find the speed of the boy.

**anbazhagi.1984**23rd October 2018 7:10 PM

### ICSE VIII Physics Current Electricity

## If an appliance of power P watt be s used for time t hour ,how much electrical energy is consumed in kwh

**alwindcruz45**30th October 2018 7:56 PM

### CBSE VII Science Motion and Time

## . ________________ is used to measure short intervals of time.

**Nimmi**2nd November 2018 1:53 PM

### CBSE VIII Mathematics Comparing Quantities

## 175 man can a canal 3150m long in 36 days how many men are required to dig a Canonl 3900 m long in 24 days|

**abhivantepaka2412**9th November 2018 8:56 PM

### ICSE VIII Mathematics

## A bus leaves a bus station at 9a.m.and it travels at an average speed of 60km per hour . Another high speed bus leaves the same bus station an hour later and it travels at an average speed of 90 km per hour. If both the buses travel in the same route,at what time will they meet?

**nathsantanukumar**11th November 2018 4:44 PM

### CBSE IX Mathematics

## Water is running through a six centemeter outlet with speed six kilometers per hour.how much time it will take to fill a cuboidal tank of dimensions 60×40×10 metre cube?

**pramoddaniadv**21st November 2018 9:26 AM

### Maharashtra VII Mathematics

## Mary cycles at 6km per hours . How long will she take to reach her aunt's house which is 12 km away? If cycles at a speed of 4 km/ hr, how long would she take?

**ganeshbharne55**25th November 2018 6:51 PM

### CBSE VIII Mathematics

## Karan can walk a distance of 210m in 90min. Find the time taken by him to cover a distance of 560m

**Souravdash605**27th November 2018 3:12 PM

### ICSE X Physics

## Radar sends a signal to an aeroplane at a distance 45km away with a speed of 3*10 to the Power of 8 m/s.after how long is the signal received back from the aeroplane

**Rakhisumam**28th November 2018 10:30 AM

### CBSE IX Mathematics

## P is four times as fast as Q and Q is six times as fast as R .If a certain distance is covered by Q in 28 minutes, then the time taken by C to cover the same distance is_____ A) 2:48 hrs B)2:28 hrs C) 2:50 hrs D) 2:55 hrs

**adalroshan2464**28th November 2018 5:13 PM

### ICSE VII Mathematics

## A car X starts at 5 p.m. at a speed of 60 km/h. Another car You starts from the same point at 6:20 p.m. at a speed of 80 km/h. At what time will X and Y meet each other?

**rkr2008**1st December 2018 8:58 AM

### CBSE VII Science Motion and Time

## How are distance, time and speed related to each other

**nandinirawat023**9th December 2018 3:06 PM

### ICSE VII Mathematics Speed, Distance and Time

## A girl walks 12 km at the speed of 3 km/h.what change should she make in her speed to take (i)an hour less (ii) an hour more to cover distance.

**Sheeshpal.singh15**17th December 2018 7:47 PM

### ICSE VII Mathematics Speed, Distance and Time

## A man walks at the speed of 4km/h. A train coming from behind him at the speed of 22km/h passes him in 30s. Find the length of the train

**sandhyadwivedi0**19th December 2018 10:16 AM

### ICSE VII Mathematics Speed, Distance and Time

## If u can cycle at an average speed of 12 km per hour,how manykm can you cycle in 2 hours 45 min

**995152930693660**20th December 2018 6:09 PM

### Junior V Mathematics

## 3 days 13 hours

**reetusethi1985**22nd December 2018 1:16 PM

### JEE Main Mathematics

## 30 men complete work in 16 days how many men can complete work in 20 days?

**atul_rclal**25th December 2018 9:59 PM

### ICSE VII Mathematics Speed, Distance and Time

## A motorist travelled 1/2 of his journey at 60km/h and completed the remaining 90km in 3/2 hours. What was his average speed for the whole journey?

**hemanta3651**27th December 2018 1:15 PM

### ICSE VII Mathematics

## A motorcycle travels at 30km/h and stops for half an hour at the end of every 75 km. How long will it take him to cover 375 km?

**asr929486**11th January 2019 8:26 PM

### ICSE VII Mathematics Speed, Distance and Time

## The area of a rectangular field is 3584 m² and its length is 64 m. A boy runs around the field at the rate of 6km/h. How long will he take to go 5 times around it?

**Sukritsamir92**14th January 2019 11:56 AM

### CBSE XI Science Physics

## A wave pulse is travelling on a string of linear density 1cm^-1 under a tension of 1kgwt.Calculate the time taken by the pulse to travel a distance of 50cm on the string.Given g=10ms^-2

**Vidushi412**19th January 2019 10:58 PM

### CBSE VII Science Motion and Time

## Why do we need to measure time? Explain with examples

**naitik892006**23rd January 2019 7:40 PM

### ICSE VII Mathematics Speed, Distance and Time

## Ravi walks at a uniform speed of 12km per hour how much time he takes to cover 6000m

**shamamatarannum786**4th February 2019 7:26 PM

### ICSE VII Mathematics Speed, Distance and Time

## Ravi walks at a uniform speed of 12km per hour how much time he takes to cover in 600m

**shamamatarannum786**4th February 2019 7:55 PM

### ICSE VII Mathematics Speed, Distance and Time

## a train covers the first 160 km of ajourney at 40 km/h,the next 180 km at 45km/h , and the last 200 km at 50km/h . 1..the total time it takes to complete the jourmey? 2..the average speed of the train during the whole journey?

**rojesh.sahoo**7th February 2019 9:13 PM

### CBSE X Mathematics

## A can complete a piece of work in 4 days. B takes double the time taken by A, C takes double that of B, and D takes double that of C to complete the same task. They are paired in groups of two each. One pair takes two-thirds the time needed by the second pair to complete the work. Which is the first pair?

**rushabh123**7th February 2019 10:32 PM

### ICSE VII Mathematics

## 11. A bus travelling at 42 km/h covers a distance in 5 h. How much time would it save if it increased its speed by 8 km/h?

**rojesh.sahoo**14th February 2019 10:01 AM

### ICSE VII Mathematics

## Q. A man runs round a circular field or radius 50m at a speed of 12 km/h. What time is taken by the man to make twenty rounds of the field

**shrimukhtripathi786**18th February 2019 1:34 PM

### ICSE VI Physics Physical Quantities and Measurements

## Time and Temperature

**gautamsingh2468**18th February 2019 8:28 PM

### ICSE VII Mathematics Speed, Distance and Time

## Two race cars travel in a ways at 90kmph and 120kmph respectively. if d secound cars take 30min less than the first car ,find the distance covered to complete the race .

**Mdazharuddin184**24th February 2019 2:46 AM

### Junior V Mathematics

## Ashish speed of running is 9 m/sec. How much distance will he run in 2minutes 30 seconds?

**pratikachauhan2421**28th February 2019 11:38 AM

### ICSE VIII Mathematics

## nitin walks at 3/4 of his usual speed and reaches his home 10 minutes late find the usual time taken by him to reach his home

**snehamayee.75**24th March 2019 9:16 AM

### Maharashtra X Physics

## A stone thrown vertically upward with initial velocity u reach a hight h before coming down.show that the time taken to go up is same as time taken to go down

**Pardeshivinay7**26th April 2019 7:26 AM

### CBSE VII Mathematics Algebraic Expressions

## If A covers 5 km in 20 min then how much it will cover in 50 min.

**adarshchettri933**29th April 2019 7:07 PM

### ICSE VII Mathematics Linear Equations in One Variable

## Hi Please send the solution

**Bovanghai**4th May 2019 5:19 PM

### JEE Main Physics

## The time taken by an electron placed in an electric field 1.2x10^-5 V/m to travel 20mm from rest is?

**varakalasuchi3**16th May 2019 7:23 PM

### ICSE VII Physics Physical Quantities and Measurement

## A girl walks a distance of 2 km in 40 minute. Find her speed

**vk204957**21st May 2019 1:42 PM

### CBSE XI Science Physics

## Please answer this question.

**dineshchem108**22nd May 2019 11:15 AM

### ICSE VII Mathematics Speed, Distance and Time

## Gurpreet jogs a distance of 12 km in 40 minute. Find his speed in km/h and m/s.

**truptimayeesahoo100**28th May 2019 4:11 PM

### CBSE X Mathematics Pair of Linear Equations in 2 Variables

## A boat covers 14 kms in upstream and 20 kms downstream in 7 hours. Also it covers 22 kms upstream and 34 kms downstream in 10 hours. Find the speed of the boat in still water and of that the stream.

**6073sumant**30th May 2019 9:17 AM

### ICSE VII Mathematics Speed, Distance and Time

## Sharon can walk 8 1/3 km in one hour. How much distance will she cover in 2 2/5 hours?

**smritiangurana1994**12th June 2019 11:36 AM

### CBSE X Physics

## test Question please do not answer

**labheshvaidya**18th June 2019 11:58 AM

### CBSE XI Science Physics

## A object moving with speed of 6.25 m/s, is decelerated at a rate given by a=-2.5√v, where v is the instantaneous speed. The time taken by the object to come to rest would be

**binayakbiswas**16th July 2019 9:50 PM

### ICSE VIII Physics

## An object covers a distance of 1 meter during the first 30 seconds. After 30seconds it covers a further distance of 4 meter in 15 seconds calculate the total distance travel and total time taken calculate the average speed of the average

**nirmalar001**16th July 2019 10:05 PM

### CBSE XI Science Physics

## A ship of total mass m is anchored in the middle of a river and water is flowing with a constant velocity v. the horizontal component of the force exerted on the ship by the anchor chain is T. If the anchor chain suddenly breaks, determine the time required for the ship to attain a velocity equal to 0.5v ; assuming that the frictional resistance of the water is proportional to the velocity of the ship relative to water.

**vidyavikram10**21st July 2019 12:57 PM

### JEE Main Physics

## A ship of total mass m is anchored in the middle of a river and water is flowing with a constant velocity v. the horizontal component of the force exerted on the ship by the anchor chain is T. If the anchor chain suddenly breaks, determine the time required for the ship to attain a velocity equal to 0.5v ; assuming that the frictional resistance of the water is proportional to the velocity of the ship relative to water. please explain the entire procedure.

**vidyavikram10**24th July 2019 4:52 PM

### CBSE IX Physics

## Calculate the time taken by a car to increase its speed from 36 Km/h to 54 Km/h if its uniform acceleration is 1.24 metre per second square. Also find the distance travelled by the car during a period

**adityathube11723**25th July 2019 5:56 AM

### ICSE VI Mathematics Perimeter and Area of Plane Figures

## A train is running at a speed of 90km/hr.if it crosses a signal in 10 se. Find the length of the train in meters,

**Tabasumhabib48**4th August 2019 12:32 PM

### CBSE VIII Mathematics Comparing Quantities

## Nitin walks at 3/4 of his usual speed and reaches home 10 minutes late find the usual time taken by him to reach home?

**Sidramairaj6166**7th August 2019 5:14 PM

### ICSE VIII Mathematics Time and Distance

## The engine driver of a 130m long Rajdhani Express, traveling at 150km/h, sees the rear of a 220 m long goods train, traveling at 80 km/h ahead of him on another track at 8:05:00 a. m. If the Rajdhani Express overtakes the goods train at 8:06:30 a.m., how far was the goods train when the driver saw its rear at 8:05 a.m.?

**Cl_narayan**8th August 2019 3:58 PM

### ICSE VII Mathematics Speed, Distance and Time

## A bus travelling at 42 km/h covers a distance in 5 h. How much time would it save if it increased its speed by 8 km/h?

**bishtbharat869**8th August 2019 8:15 PM

### ICSE VII Mathematics Unitary Method

## (Q.1) A woman walks a certain distance in 84 min. she covers two third of it at 4 km/h and the rest at 5 km/h. find the total distance she covered. (Q.2) A man walks at 6 km/h and runs at 8 km/h. He covers 6km in 50 min partly by running and partly by walking. (i) for how long did he walk? (ii) What distance did he cover walking? (Q,3) the speed of the train is 30 km/h. how long will it take to cross a signal if its length is 25 m? (Q.4) How long will a 50m- long train travelling at 72 km/h take to cross a pole?

**bishtbharat869**9th August 2019 8:48 PM

### ICSE XI Science Physics

## Please solve as fast as u can

**vibsjoy**11th August 2019 9:26 PM

### NEET NEET Physics

## A particle exciting SHM an amplitude of 20 cm & t.p of 12 sec.

**brijk456**12th August 2019 6:46 PM

### CBSE X Mathematics

## The distance between two places is 425km.If a car drives at a speed of 50km/hr and starts the journey at 10:30 am,when does it reach the place?

**Tejasupadhyay**14th August 2019 1:29 PM

### ICSE VII Mathematics Speed, Distance and Time

## A man walks at 6km/h and runs at 8km/h. he covers 6km in 50 min partly by running and partly by walking. (i) for how long did he walk? (ii) What distance did he covers walking?

**bishtbharat869**16th August 2019 10:17 PM

### ICSE VII Mathematics Speed, Distance and Time

## Q.1(i) the speed of a train is 30 km in how long will it take to cross a signal. if its length is 25 m? (ii) how long will a 50 m long train traveling at 72km/h take to cross a pole?

**bishtbharat869**20th August 2019 5:42 PM

### ICSE VII Mathematics Speed, Distance and Time

## A train travelling at a uniform speed passes by a platform 220 m long in 30 s and another platform 325 m long in 39 s. find (i) the length of the train and (ii) the speed of the train .

**bishtbharat869**22nd August 2019 5:14 PM

### ICSE XI Science Physics

## Body slides down from rest from the top of a 6.4 m long rough inclined plane at 30° with horizontal find the time taken by the block in reaching the bottom given coefficient of kind attic fiction ass .2 and acceleration due to gravity is 9.8

**deepamajulal**24th August 2019 5:21 PM

### ICSE VII Mathematics Speed, Distance and Time

## Q.1 Ravi and john are standing 300 m apart. if they run towards each other with the speed of 2 m/s and 1 m/s respectvely.how much time will they take to cross each other.?

**bishtbharat869**25th August 2019 10:02 AM

### ICSE VII Mathematics Speed, Distance and Time

## Q. A man walk at the speed of 4 km/h. A train coming from behind him at 22 km/h passes by him in 30 s. find the lenght of the train.

**bishtbharat869**26th August 2019 9:56 PM

### ICSE VI Physics Measurement

## 24 hour clock is used in the airline ticketing

**Pranavchithra**19th September 2019 6:48 PM

### CBSE VIII Mathematics Linear Equations in One Variable

## a man drives at the 35 kilometre per hour he reaches his house 4 minutes late. if he drives at the 45 kilometre per hour he reaches his office 3 minutes early how far is his house.

**vishupatil11397**27th September 2019 7:22 PM

### Maharashtra IX Physics

## If a charge of420 c flows through a conducting wire in five minutes what will be it's value

**kamalbhoir75**1st October 2019 7:04 PM

### ICSE VII Mathematics Speed, Distance and Time

## A truck and a bus started off at 10: 30 am from opposite end of highway the truck traveled at a speed of 40 km/h and a bus travel at a speed of 54 km/h. If they pass each other at 1: 00 PM. What was the length of highway?

**Shibakausar42**5th October 2019 10:50 AM

### NEET NEET Physics

## Please answer this

**Prashant DIGHE**9th October 2019 10:05 PM

### ICSE VII Mathematics Speed, Distance and Time

## A man travels a distance of 120km in 4hours and 30 minutes.Partly by a Bus at a speed of 35km/hr and partly by bike at a speed of 20km/hr. Find the distance covered by him by bike.

**ajit3080**12th October 2019 6:25 PM

### CBSE VII Science Motion and Time

## How to find the time when the speed is given

**shitaldhamale22**15th October 2019 9:20 PM

### ICSE VII Mathematics Speed, Distance and Time

## A train covers the first 60km of its journey at a speed of 80km/h the next 90 km at a speed of 100km/h and the rest of its 330-km journey at a speed of 120km/h. find the total time taken to complete it's journey. also find its average speed

**babulabishoyee**17th October 2019 5:35 AM

### ICSE X Mathematics

## If the speed of the car is increased by 10km per hr,it takes 18 minutes less to cover a distance of 36 km.Find the speed of car

**sukhmansohitsingh0565**19th October 2019 10:56 PM

### NEET NEET Physics

## Please answer this question

**anjanakurup728**25th October 2019 2:13 PM

### ICSE VIII Mathematics

## Nitin walks 3/4th of his usual speed and reaches his home 10 minutes late, find the usual time taken by him to reach his home.

**rajrudrag**26th October 2019 4:58 PM

### Junior III Mathematics

## 5 weavers can weave 5 carpets in 5 hours .find the number of carpets 10 weavers can weave in 10 hours ?

**nitishkumarafmc**28th November 2019 8:02 AM

### ICSE VII Mathematics Speed, Distance and Time

## A car running at 45km/hr takes 6 hours to journey what speed must it travels journey to complete in 5 hours

**sweetygajiwala85**12th December 2019 10:53 AM

### CBSE VII Science Motion and Time

## If A has diameter of 6cm ams B has diameter of 12cm what ia the no of ratation A makes by the time B complete one rotation?

**VAshwika23**18th December 2019 6:46 AM

### ICSE IX Science

## When starter motor of a car is switched on for 0.8 s,a charge 24C passes through the coil of the motor. motor . motor.Calculate

**anilrktnayak**27th December 2019 4:40 PM

### CBSE XII Science Chemistry Chemical Kinetics

## 4.37 numerical plz

**lovemaan5500**6th January 2020 3:33 PM

### NEET NEET Physics

## please answer this

**Prashant DIGHE**14th January 2020 10:09 PM

### CBSE VIII Mathematics Comparing Quantities

## If 15 worker work 8-hour daily to make 100 cupboards in 12 days, so how many workers will take to make 150 cupboards in 18 days if they work 10 hours daily?

**kaustubhkladda**9th February 2020 12:12 PM

### ICSE VII Mathematics Speed, Distance and Time

## A car X starts at 5p.m. at a speed of 60 km/h. Another car Y starts from the same point at 6:20 p.m. at a speed of 80km/h . At what time will X and Y meet each other?

**agarwalshubh50**4th March 2020 11:27 PM

### CBSE XI Science Physics

## Questions 21

**Poojaguptaindia52**8th March 2020 1:13 PM

### CBSE X Physics

## Light is faster than sound, but when we switch on the TV, we first hear the sound before the image comes up. Why is that?

**arajeevshashank**9th March 2020 3:53 PM

### NEET NEET Physics

## please answer this

**Prashant DIGHE**9th March 2020 9:54 PM

### NEET NEET Physics

## please answer this

**Prashant DIGHE**11th March 2020 10:23 PM

### CBSE XI Science Physics

## if the kinetic energy and potential energy becomes equal for a particle executing SHM, given by y=10sin5πt, then at that instance the displacement of the particle from the mean position is

**binayakbiswas**16th March 2020 9:25 AM

### ICSE IX Physics Measurements and Experimentation

## It takes 8 minutes fro light to reach from the sun to the earth surface .if a speed of light is taken to be 3×100000000 m /s find the distance from the sun to the earth in km.

**Sandeepdob16112005**22nd March 2020 8:56 AM

### ICSE VII Physics Physical Quantities and Measurement

## convert one an half hour in mins and sec

**biswasrubber**25th March 2020 9:50 PM

### CBSE X Physics Electricity

## A charge of 5000 columbs flows through the electric circuit in 2.5 hrs calculate magnitude of current in ampere and milliampere

**arajeevshashank**27th March 2020 12:37 PM

### JEE Main Physics

## rajdani express moves at the speed of 120 km/h . how long will it take to cover a distance of 15 km

**abhilashlambu**10th April 2020 8:08 PM

### ICSE VII Physics Physical Quantities and Measurement

## How to find the time

**muskanrai4257.7sdatl**20th April 2020 1:36 PM

### CBSE XI Science Physics Motion in a Straight Line

## please answer 7,8,9 and 10.

**Prashant DIGHE**22nd April 2020 10:28 PM

### ICSE X Physics Work, Energy and Power

## ch. work

**nilesh.dhote74**27th April 2020 5:57 PM

### ICSE X Physics Work, Energy and Power

## ch. work power energy

**nilesh.dhote74**27th April 2020 5:58 PM

### ICSE X Physics Work, Energy and Power

## conpare the worl done

**nilesh.dhote74**27th April 2020 6:18 PM

### ICSE X Physics Work, Energy and Power

## how to find the displacement

**nilesh.dhote74**28th April 2020 10:10 PM

### CBSE XI Science Physics Gravitation

## please solve it sir

**satishkashyap02022004**29th April 2020 3:07 PM

### CBSE IX Physics Motion

## A car is coasting backwards down a hill at -3.0 m/s when the driver gets the engine started. After 2.5s, the car is moving uphill at a velocity of +4.5 m/s. What is the car's acceleration?

**vijayparmar555115**1st May 2020 3:03 PM

### JEE Main Physics Kinematics

## Pls answer this??

**Mastersword650**5th May 2020 9:53 AM

### CBSE XI Science Physics Motion in a Straight Line

## Pls answer this!!

**Mastersword650**6th May 2020 11:32 AM

### ICSE IX Physics Motion in One Dimension

## A car slows down from 108 km/hr to 18 km/hr over a distance of 40 meter. If the brakes are applied with the same force . Calculate 1) total time in which car comes to rest . 2) total distance travelled by it.

**vishwadiprathod0070.9sdatl**7th May 2020 11:10 AM

### ICSE VII Physics Motion

## The two persons going in same speed then what say

**shivamparikh8222.7sdatl**9th May 2020 8:08 PM

### ICSE VII Mathematics Speed, Distance and Time

## How to find speed when time and distance is given Distance=34km/hr , Time=54hr

**singhaprajita7144.7sdatl**27th May 2020 7:44 PM

### CBSE XI Science Physics Motion in a Straight Line

## The distance x covered by a body moving in a straight line in time t is given by the relation- 2x²+3x=t If v is the velocity of body at a certain instance of time, find it's acceleration.

**simasarkar1968**28th May 2020 7:02 PM

### CBSE IX Physics Motion

## Rama takes a round of a circular Park whose diameter is 280 metre in 4 minutes what is the distance covered by Rama what is the speed of Rama

**bannuridevarao1693**13th June 2020 7:50 AM

### ICSE VI Mathematics

## A boy swims 200 m in still water and then returns back to the staring point in 10 mintues . Find the speed of the boy .

**saeedeokar99.6spicertl**6th September 2020 12:40 PM

### ICSE VII Mathematics Speed, Distance and Time

## 1. A train travels between two stations X and Y , a distance of 120 km and 80 minutes. It passes to a station Z , 1 hour after leaving X , what is the distance between Y and Z.

**shreyasonar94.7spicertl**6th September 2020 2:41 PM

### ICSE VI Mathematics

## Mohit covers a distance in 5 hours by his car at the speed of 15 m/sec . Find the total distance covered by Mohit .

**saeedeokar99.6spicertl**6th September 2020 3:12 PM

### ICSE VII Mathematics Speed, Distance and Time

## A train 260 m long running at 72 km/h, crosses a bridge 240 m long. Find the time taken by it.

**saanvisanju25th**10th September 2020 11:06 AM

### ICSE VII Mathematics Speed, Distance and Time

## a car started from town P and travelled towards town Q at speed of 70km/hr at the same time a van started from town Q and travelled towards town P at speed of town Q town Q towns town

**pratibha.sudh**15th September 2020 8:53 PM

### ICSE VII Mathematics Speed, Distance and Time

## Mohan travels in an aeroplane at a distance of 1200 km for the first half of the distance the plane flies at a speed of 900 km per hour and to the rest of the distance is flies at a speed of 750 kilometre per hour how long does the Trip take

**arpanmaity1205**27th September 2020 6:31 PM

### CBSE IX Physics Motion

## what is velocity

**pankajlamba9416818**5th October 2020 7:11 PM

### NEET NEET Physics Physics and Measurement

## which clock maintains the indian standard time? The jiffy is a prime example of a non-standard unit of measurement of --------- .

**jaydevmate40**21st October 2020 6:43 PM

### CBSE XI Science Physics

## find time of flight

**preetiagrawal1979**22nd October 2020 6:41 AM

### CBSE XII Science Physics

## River speed varies as v = t/2 and a man wants to reach directly opposite bank of river .his velocity in still water is 5 and river width is 48. a. Find directikn which msn should swim and time he takes to cross B. Find trajectory Ans is 37 degree and 53 degree and time is 12 ,16 s

**cudio1212**30th October 2020 11:27 PM

### CBSE IX Physics

## What is the minimum time a cheetch will take to get its prey , at a distance of 100 m,if the average valocity attened by it is 90 km/h?

**swatipuspapatel**3rd November 2020 7:07 PM

### ICSE VII Mathematics Linear Equations in One Variable

## Question is in the picture

**chandrageeth.kumar9**16th November 2020 8:05 PM

### CBSE IX Physics

## A car of mass 1000 kg is moving with a certain speed when a constant braking force of 1000 N acts on it for 5 seconds and the speed of the car reduces to half its original speed. Find the further time required to stop the car if the same braking force acts.

**rachitraj152007**3rd January 2021 7:10 PM

### CBSE IX Physics

## is time travel is possible?if not why?if yes Why?

**abhinav34.9dgatl**4th January 2021 11:49 AM

### CBSE XII Science Chemistry Chemical Kinetics

## Please ans both part

**amitkumar.cis**14th January 2021 12:40 PM

### CBSE IX Physics

## A particle is projected upward with speed 105 m/s done the time after which it is hit the ground is: 1.20 s 2.21 s 3.22 s 4.25 s

**santoshkumargupta644**25th January 2021 9:01 AM

### CBSE IX Physics

## Is fourth dimension time?

**ameyareddy9**27th January 2021 7:04 PM

### JEE Main Physics

## A point object is located at a distance of 100 cm from a screen a lens of focal and 23 CM mounted on a movable frictionless stand is kept between the source and the screen The Stand is attached to a spring of natural length 50 cm and Spring Constant800Newton per metre as shown in figure mass of the stand with lens is to kilogram how much impulse should be imparted to the stand so that a real image of the object is formed at the screen after the fixed time gap also find this time gap

**hk4979169**14th February 2021 12:37 PM

### ICSE VII Mathematics Speed, Distance and Time

## A child cycles at a speed of 4 m/s how much distance will he cover in 2 minutes

**madhubawkar**18th March 2021 1:12 PM

### CBSE XI Science Physics Motion in a Plane

## a projector is projected horizontal with velocity 10 ms making distance 45 degree .what is time of flig

**Kalapnadevi0000**14th April 2021 3:06 PM

### NEET NEET Physics Kinematics

## A balloon starts moving vertically upwards with a uniform acceleration of 1.25 m / s2 After 10 s a stone is dropped from the balloon then find - ( g 10 ms- 2 ) ( 1 ) maximum height from the stone (2 ) the stone time taken to reach the ground

**surabhilakhara7299**14th June 2021 7:54 AM

### CBSE XI Science Physics

## hello mam When a potential difference of 1.5 V is applied across a wire of length 0.2 m and area of cross-section 0.30 mm2 , a current of 2.4 A flows through the wire. If the number density of free electrons in the wire is 8.4 X 1028 m-3 , calculate the average relaxation time. please solve this sum

**seeni2005**22nd June 2021 4:06 PM

### CBSE XII Science Physics Electric Charges and Fields

## hello mam When a potential difference of 1.5 V is applied across a wire of length 0.2 m and area of cross-section 0.30 mm^2 , a current of 2.4 A flows through the wire. If the number density of free electrons in the wire is 8.4 X 10^28 m^-3 , calculate the average relaxation time.

**seeni2005**22nd June 2021 4:15 PM

### CBSE X Physics Electricity

## if 20 C of charge pass a point in a circuit in 1 second what current is flowing

**kamnikumari698**23rd June 2021 8:28 AM

### CBSE IX Physics Motion

## A stone is thrown vertically upward after how much time it will be at height of 5m

**bhoirhimnshu2326**26th June 2021 6:08 AM

### NEET NEET Physics Properties of Solids and Liquids

## Solve this problem, thanks ☺️

**jhajuhi19**18th July 2021 12:06 AM

### NEET NEET Physics Oscillations and Waves

## the periodic motion of a particle doing shm is 4s the time taken from mean position to maximum displacement

**kiransahu515**25th July 2021 11:30 PM

### NEET NEET Physics Kinematics

## . Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time 𝑡1. On other days, if she remains stationary on the moving escalator, then the escalator takes her up in time 𝑡2. The time taken by her to walk up on the moving escalator will be (a) 𝑡1𝑡2 𝑡2− 𝑡1 (b) 𝑡1𝑡2 𝑡2+ 𝑡1 (c) 𝑡1− 𝑡2 (d) 𝑡1+𝑡2 2

**alliedsonyeric**8th August 2021 1:13 PM

### CBSE XI Science Physics Motion in a Plane

## a body is projected with speed 40root2 m/s downwards an angle of 45 degree from vertical if h=100 m find 1. time of flight 2. range

**sohail.saba0311**9th September 2021 8:23 PM