CBSE VIII Maths 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
Asked by ajayrath7
26th May 2017
7:19 PM
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ICSE X Maths 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 ?
Asked by sudhanshubhushanroy
6th December 2017
6:26 AM
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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?
Asked by aryap7964
8th December 2017
7:06 PM
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CBSE X Maths 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
Asked by sucharitasahoo1
26th December 2017
6:04 PM
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ICSE VIII Physics Energy
what is the energy chain when green plants prepare food and are finally consumed?
Asked by nathsantanukumar
11th April 2018
5:09 PM
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ICSE VIII Physics Energy
define 1) power 2)work 3) energy
Asked by nathsantanukumar
11th April 2018
5:17 PM
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ICSE VIII Maths
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?
Asked by nathsantanukumar
9th May 2018
5:51 PM
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CBSE X Maths
Please solve this question
Asked by vikasg13.hardware
23rd June 2018
5:06 PM
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ICSE VIII Physics Energy
When does a force do work
Asked by Manjokumargupta8084
31st July 2018
4:42 PM
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ICSE VIII Maths
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.
Asked by nathsantanukumar
10th August 2018
7:13 AM
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ICSE VIII Maths
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?
Asked by nathsantanukumar
10th August 2018
7:18 AM
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ICSE VIII Maths
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?
Asked by nathsantanukumar
10th August 2018
7:21 AM
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ICSE VIII Maths
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?
Asked by nathsantanukumar
10th August 2018
7:28 AM
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ICSE VIII Maths
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
Asked by afrozansari30198
12th August 2018
7:23 PM
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CBSE IX Physics Work and Energy
What would be the work done if (a) force on the object of zero? (b) displacement of the object is zero?
Asked by Sasoni16
31st August 2018
5:05 PM
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CBSE VIII Maths
A contractor with a work force of 420mens can complete a work of construction of a building in nine months. Due to request by the owners he was asked to complete the job in seven months. How many extra men he must employ to complete the job?
Asked by narenderrohila75
16th September 2018
8:24 PM
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ICSE VIII Maths
If 15 men can do a job in 24 days,in how many days will 40 men complete the same job?
Asked by lucy
19th September 2018
9:55 PM
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Maharashtra IX Physics
An electric pump has 2kW power. How much water it can lift every minute to height of 10m?
Asked by sagareharsh123
20th September 2018
4:31 PM
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ICSE X Maths
A can do a piece of work in 'x' days and B can do the same work in (x+16)days . If both working togather can do it in 15 days;calculate 'x'.
Asked by hermanlakra93
23rd September 2018
6:33 PM
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CBSE VII Science Motion and Time
Explain the following concept in your own word with everyday example . Force ,work,displacement ,velocity, acceleration,distance
Asked by sujayavi2
9th October 2018
10:08 AM
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ICSE VIII Maths Ratio and Proportion
Rajan do ajob in 60 days how much of the job will he able to finish in a day
Asked by akhtaransarijsr
21st October 2018
1:20 AM
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CBSE VIII Maths 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|
Asked by abhivantepaka2412
9th November 2018
8:56 PM
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CBSE IX Maths
90 persons can dig a well in 40 days. After they have worked for 10 days, how many more persons Should be employed to complete the work in another 20 days
Asked by Pammiprasad150
17th November 2018
1:27 PM
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CBSE VIII Maths Comparing Quantities
75 KG of wheat is being consumed in 30 days by 24 person . How many person will consume in 5kg of wheat in one month and ten days ?
Asked by 365542180671386
16th December 2018
3:44 PM
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JEE Main Maths
30 men complete work in 16 days how many men can complete work in 20 days?
Asked by atul_rclal
25th December 2018
9:59 PM
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CBSE XI Science Physics Work, Energy and Power
An electron of energy10^3 eV is fired normally to the infinite.Conducting plate from 5mm.Calculate the minimum surface charge density on the conducting plate so that electron does not strike the plate .
Asked by agarrajeev06
8th January 2019
11:23 PM
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CBSE VIII Maths
A and B together can do a work in 25 days.They work together for 15 days and then B leaves . A finishes the rest work in 20 days. How many days would each take to complete the work separately
Asked by Pavangangwar786
24th January 2019
8:34 PM
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CBSE X Maths
Kamala can do a work in 15 days. Bimala is 50% more efficient than Kamala. The number of days, Bimala will take to do the same piece of work, is
Asked by rushabh123
31st January 2019
9:40 AM
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CBSE X Maths
Shush and Komal can do a job together in 7 days. Shush is 7/4 times as efficient as Komal. The same job can be done by Shush alone in
Asked by rushabhjain.a
31st January 2019
9:46 AM
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JEE Main Physics Work, Energy and Power
A body is displaced by 20 m, when a force of 20N acts on the body. The work done is
Asked by Reetusahrey
7th February 2019
7:36 PM
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CBSE X Maths
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?
Asked by rushabh123
7th February 2019
10:32 PM
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ICSE X Physics Work, Energy and Power
A force of 15N is required to pull up a body of mass 2kg through a distance 5 m along an inclined plane making an angle of 30° with the horizontal. Calculate: Work done by the force in pulling the body, Force due to gravity on the body Work done against the force due to gravity (g=9.8 m/s2) Account for the difference in ans.s of 1. And 3.
Asked by malapandey8278
11th February 2019
7:49 AM
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ICSE VIII Maths
A can complete a piece of work in 24 days B in 30 days and C in 18 days.After working together for 5 days B fall sick .How long will A and C take to complete the work ?
Asked by ankitan576
7th March 2019
12:25 AM
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CBSE VIII Maths
6 workers can build a 120 meter road in 6 days. At the same rate, how will it take for 15 workers to build a 150 meter road?
Asked by Shivsagarrambaran
7th March 2019
9:21 PM
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ICSE X Physics Work, Energy and Power
What is the work done when force acts at an angle in the direction of motion
Asked by Shalluchhabra
11th March 2019
10:11 PM
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Gujarat VI Maths
20 Mason's can build a wall in 4 days. In how many days can 10 masons build in same wall
Asked by yashpal9558
25th March 2019
6:31 AM
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NEET NEET Physics Work, Energy and Power
The answer given is 32J .Please explain i guess it has to do something with t=0 to t=2s little confused please explain
Asked by nipunverma59
29th March 2019
8:01 PM
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ICSE VIII Maths
A can do a task in 5 days, B in 6 days and C in 8 days for which they are paid rupees 840 If they all work together, how much money should each receive ?
Asked by akhtarf85
22nd April 2019
8:05 PM
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ICSE VII Maths Algebraic Expressions
The wages of 10 workers for a six days week are ₹ 1200. What are the one day wages : ¡ ) of one worker ? ¡¡) of 4 workers ?
Asked by garganimesh786
29th April 2019
5:49 PM
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ICSE VII Physics
what is the condition for a force to do work on a body
Asked by fine.decorators
20th July 2019
3:47 PM
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CBSE XI Science Physics Motion in a Straight Line
Slove the questions
Asked by arya7117aman
13th September 2019
12:18 PM
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CBSE XI Science Physics
explain all the derivations of chapter-work power energy
Asked by ABHILASHA
16th September 2019
6:55 PM
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ICSE X Physics
A block and tackle arrangement consists of 5 pulleys. It is used to lift a load of 50 kgf steadily to a height of 20m. The wrk done against friction is 2000J. Find 1) the work input 2) the efficiency of the system 3) the effort needed to lift the load
Asked by cbiswajit
20th September 2019
11:11 PM
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CBSE IX Physics Work and Energy
A force of 40 Newton acts on a object at an angle of 45 degree with horizontal as a result the object is displaced horizontally through a distance of 14 metres calculate the work done by the force on an object
Asked by Rakhiuppal1982
21st September 2019
8:31 PM
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ICSE VIII Physics Energy
Si unit of work is_
Asked by Shivshankar
29th September 2019
9:07 PM
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Maharashtra IX Physics
the velocity of the car increases from 54 km/hr to 74 km/hr .how much is the work done if the mass of the car is 1500 kg
Asked by balkrishnanakate123
2nd October 2019
2:13 PM
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CBSE IX Physics Work and Energy
What is work done?
Asked by Mahakurbishnupada
8th October 2019
2:52 PM
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CBSE IX Physics Work and Energy
What is work ?
Asked by atulmishra2580
26th October 2019
6:30 PM
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CBSE IX Physics Work and Energy
in displacing a body 5 metre by a force of 50 Newton the work done is 125 joule find out the angle between the direction of force and displacement
Asked by karanbora625
11th November 2019
7:12 PM
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ICSE VIII Physics Energy
A boy of mass 50 kg climbs stairs by spending 1200 joule of energy .how high does boy climb
Asked by namanj090
17th November 2019
10:24 PM
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CBSE IX Physics Work and Energy
Person A move from ground to third floor of his house through lift and person B do the same job with staircase who has done more job give reason
Asked by Yasmeenalisha10
10th December 2019
12:34 PM
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ICSE X Physics Work, Energy and Power
A hudroelectric power station takes its water from a lake whose water level is at height of 50m above the turbine. Assuming an overall eficiency of 40% calculate mass of water which must flow through turbine each second to produce power output of 1 MW. (take g=10m/s).
Asked by dkpanch76
24th December 2019
3:30 PM
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ICSE VI Physics Work and Energy
What is work output
Asked by rnk.7799
2nd January 2020
4:23 PM
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CBSE IX Physics Work and Energy
When work is said to be done?
Asked by ashabhardwaj490
27th January 2020
6:17 AM
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CBSE X Physics
A charge of 12 X 10*5 c ( here 10*5 is 10 power 5) flows in a conductor for 10 minutes. If the resistance offered by the conductor is 80 ohm, calculate the a)Current flowing b) Voltate c)Work
Asked by arajeevshashank
26th March 2020
11:58 AM
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ICSE VIII Physics Energy
Is the energy spent on thinking or talking a kind of work
Asked by Ranjan.nsl
28th March 2020
7:23 PM
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ICSE X Physics Work, Energy and Power
ch. work
Asked by nilesh.dhote74
27th April 2020
5:57 PM
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ICSE X Physics Work, Energy and Power
ch. work power energy
Asked by nilesh.dhote74
27th April 2020
5:58 PM
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ICSE X Physics Work, Energy and Power
power numerical
Asked by nilesh.dhote74
27th April 2020
6:13 PM
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ICSE X Physics Work, Energy and Power
conpare the worl done
Asked by nilesh.dhote74
27th April 2020
6:18 PM
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ICSE X Physics Work, Energy and Power
how to find the displacement
Asked by nilesh.dhote74
28th April 2020
10:10 PM
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ICSE X Physics Work, Energy and Power
ex. 2a q 16
Asked by nilesh.dhote74
30th April 2020
4:59 PM
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ICSE VIII Physics Energy
please answer these questions as first as possible and inform me.
Asked by nagmajahangir786
17th May 2020
3:25 PM
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ICSE X Physics Work, Energy and Power
Derivation of w=mgh
Asked by sanjeevrao.2704
4th June 2020
8:43 AM
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ICSE X Physics Work, Energy and Power
How far must a 250 kg pile driver fall if it is to be capable of doing 12700 J of work?
Asked by snehalburud22.10spicertl
11th June 2020
3:26 PM
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CBSE IX Physics Work and Energy
Work done does not depend on the distance travelled. Give reason.
Asked by Deepak
6th July 2020
6:23 PM
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CBSE VIII Science
Walter and Jimmy ran up a flight of stairs. Walter is twice as massive as Jimmy, yet Jimmy ascended the same distance in half the time. Who did more work? Who delivered more power? Explain.
Asked by Deepak
31st August 2020
8:46 AM
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CBSE XI Science Chemistry Thermodynamics
a steel fiber is in a oxygen filled container which is closed with a frictionless piston. the iron in the steel fiber reacts with oxygen to form Fe2O3 , the heat generated by the reaction is removed during the process to maintain the temperature constant which is 25 degrees centigrade. for the reaction of 2 moles of iron 831.08KJ of heat is removed. calculate the heat , work and internal energy of change of the system
Asked by pranavisrihari
8th September 2020
5:24 PM
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CBSE IX Physics Work and Energy
painting is work or not
Asked by harikishortomar
3rd January 2021
10:52 PM
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ICSE IX Physics Work and Energy
Why is work a scalar quantity ?
Asked by Deepak
1st October 2021
12:02 PM
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JEE Main Chemistry Chemical Thermodynamics
the work done in joules when a gas compressed by an average pressure of 0.50 atm so as to decrease it's volume from 400 cm³ to 200 cm³
Asked by mp0985797
1st February 2022
8:38 PM
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ICSE X Physics Current Electricity
A work of 400 J is done in moving a 10000 C charge from one point to another point in an electric field. The potential difference between the points is ? (a) 4.0 V (b) 0.4 V (c) 0.004 V (d) 0.04
Asked by arunkumarburada
8th January 2023
11:29 AM
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CBSE IX Physics Work and Energy
Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km hour
Asked by vkjainj56
30th November 2023
12:00 AM
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CBSE XI Science Physics Work, Energy and Power
mention the expression for work done
Asked by abdulkhadirchajjo549
6th December 2023
6:55 PM
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CBSE IX Physics Work and Energy
If person A reaches the 2nd floor Of a shopping mall by lift and Person B reaches the same floor by stairs and both their masses are same. Is work done by person B is greater than Person A against gravitational force.Justify your answer
Asked by mailtoparvathyprajith
6th February 2024
8:24 PM
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