### CBSE X Mathematics Real Numbers

## 2. Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together?
(A) 4 (B) 10 (C) 15 (D) 16
This is a olympaid question so solve wisely but explain with steps

**sucharitasahoo1**30th November 2017 8:58 PM

### CBSE X Mathematics Real Numbers

## When a natural number N is divided by 15 gives the remainder 4 what is the remainder when the same number is divided by 5

**shamim.ayanahmad**30th November 2017 9:58 PM

### CBSE X Mathematics

## Find the least positive integer which on adding 1 is exactly divisible by 126 and 600

**gpnkumar0**3rd March 2018 9:39 PM

### CBSE VI Mathematics

## Find the LCM of 12, 16, 24 and 36?

**mukeshbora19**1st April 2018 12:41 PM

### CBSE X Mathematics

## Find the pairs of natural numbers whose LCM is 78 and HCF is 13 .

**rishijuneja2018**14th April 2018 12:04 PM

### CBSE IX Mathematics

## Please answer the questions in the picture Attached below

**Girishdhawan**3rd June 2018 5:36 PM

### CBSE X Mathematics

## Six bells commerce tolling together and toll at intervals of 2, 4, 6, 8, 10, 12 minutes respectively. In 30 hours, how many times do they toll together?

**roysubarna2016**21st June 2018 11:10 AM

### CBSE X Mathematics

## find the smallest no. which when increased by 17 is exactly divisible by both 520 and 468

**ABHILASHA**24th June 2018 8:22 AM

### CBSE X Mathematics

## Please solve this question

**vikasg13.hardware**28th June 2018 5:52 AM

### Maharashtra VII Mathematics

## What is the HCF and LCM of 69 and 92?

**samhitha.ahoratra**9th August 2018 3:28 PM

### ICSE IX Mathematics

## Simplify: 1-{1-(1-x²)^-1}^-1

**dasbiman984**18th August 2018 10:11 PM

### CBSE VIII Mathematics

## Solve: 1/mn + 1/n =?

**riyamaths**19th August 2018 4:50 PM

### Maharashtra VII Mathematics

## 17,102,170 lcm and hcf

**PratibhapawarHPKAhpka**21st August 2018 3:23 PM

### ICSE VI Mathematics

## Ram Kumar mixes cement with sand for some repairs work to be carried out in his house.He used 23/5 kgs of cement and 1/2 kg more of sand than cement.In all he needs 1o kgs. Does he have enough mix if yes how much more does he have,if no how much more he need.

**dinesh.sla**25th August 2018 5:54 PM

### Junior V Mathematics

## Ram Kumar mixes cement with sand for some repairs work to be carried out in his house.He used 23/5 kgs of cement and 1/2 kg more of sand than cement.In all he needs 1o kgs. Does he have enough mix if yes how much more does he have,if no how much more he need.

**dinesh.sla**25th August 2018 5:59 PM

### ICSE X Mathematics

## Please tell me

**siddharthjaiswal1122**25th August 2018 8:38 PM

### CBSE VII

## Find three rational numbers between 4/5 , 2/3

**cooldeep3365**5th September 2018 2:13 PM

### ICSE VI Mathematics

## 2 - 1/3 -1/2 -3/4

**bvfiske**8th September 2018 11:38 AM

### ICSE VII Mathematics

## If a:b=9:5 and b:c=15:3,find a:c.

**amrendra3325**17th September 2018 1:24 PM

### ICSE VII Mathematics

## The HCF and LCM of two numbers are 9 and 819 respectively. One of the numbers is a 2 digit number. Find the numbers. How sholud I solve this problem?

**samhitha.ahoratra**17th September 2018 6:30 PM

### ICSE VII Mathematics

## Find the smallest number which when divided by 14, 21 and 35 leaves remainder 12, 19 and 33?

**samhitha.ahoratra**17th September 2018 6:52 PM

### CBSE VIII Mathematics

## The reciprocal of 5÷8 added to the reciprocal of 1÷5 is

**Smartdharani45092**19th September 2018 6:26 AM

### ICSE VII Mathematics

## Arrange the following rational numbers in ascending order 4/-5,-5/12,7/-18,-2/3

**Rapinder0009**22nd September 2018 6:50 PM

### CBSE VI Mathematics

## LCM of (15,27,35,42+7)

**sandeepdahiya.842**27th September 2018 7:39 PM

### CBSE VII

## Find three rational number between -2/3, 4/5

**pintudvkr73**27th September 2018 9:03 PM

### ICSE VII Mathematics

## 4-3/4+9-2/5

**Gillgurwinder80**1st October 2018 1:18 PM

### CBSE VI Mathematics

## Ayushree and Ishanee both took the same quiz test. Ayushree answered 7/8 of the questions correctly and Ishanee answered 4/5 of the questions correctly. Who got a higher score?

**ssrout001**10th October 2018 5:30 AM

### ICSE VIII Mathematics

## 2x+1/3+4x+1/2-3x+5/5=19/10

**meenakalota01**15th October 2018 10:50 PM

### ICSE VIII Mathematics Linear Equations

## Solve it

**prakashsahu982733**18th October 2018 11:23 AM

### CBSE VII Mathematics

## -6/13 - (-17/15)

**kalishankar90**18th October 2018 8:52 PM

### CBSE VIII Mathematics

## A,B and C can finish a work in 10days,20days and 40days respectively.If all three work together and are paid ₹700 for the whole work, what will be the share of each?

**skmaharana1970**22nd October 2018 10:36 AM

### Maharashtra VI Mathematics

## On the playground if the children are made to stand for drill either 20 to a row or 25 to a row all rows are complete and no child is left out.what is the lowest possible number of children in that school.

**santoshjaiswar28**28th October 2018 5:40 PM

### CBSE VI Mathematics Playing With Numbers

## Can two numbers have 1440 as their lcm and 54 as their hcf!? Give reason

**arundhathiappu141**3rd November 2018 7:13 PM

### CBSE VI Mathematics

## how to find HCF andLCM

**geethagov1959**26th November 2018 7:54 PM

### Junior V Mathematics

## Six bells commence telling together and toll at intervals of 2,4,6,8,10 and 12 seconds respectively after how much time will they toll together again?

**Nighatk881**28th November 2018 7:37 PM

### CBSE VIII Mathematics

## FIND TH LARGEST NO OF 5-DIGIT WHICH IS DIVISIBLE BY 2,4,8

**shrivastavaomprakash47**5th January 2019 6:12 PM

### CBSE X Mathematics

## Six bells commence tolling together and toll at intervals 2 4 6 8 and10 respectively. After how many min they will toll together.

**Lrsahu1975**9th January 2019 6:30 AM

### Junior V Mathematics

## 1/3+1/6+2/9 find question

**jp3469402**11th January 2019 11:21 AM

### CBSE X Mathematics

## Please simplify this

**jackiechrs10**2nd February 2019 9:42 AM

### CBSE VI Mathematics

## Two numbers have their H.C.F as 8 and L.C.M as 48. One of the number is 24. Find the other number

**naitikmdangi**16th February 2019 6:41 PM

### ICSE VI Mathematics Factors and Multiples

## The traffic light at 3 diffrent road crossing change after every 48 sec. 72sec.and 100sec.respectively. if they change simultaneously at 8 am,at what time will they change again simultaneously.

**manjarirawat373**19th February 2019 4:56 PM

### CBSE X Mathematics Real Numbers

## The HCF and lCM of two numbers are 50 And 250 respectively.If the first number is devided by 2, the quotient is 50.Find the second number.

**9452neetu**22nd February 2019 6:40 PM

### CBSE X Mathematics

## These two questions are based on grouping still to find correct answers we are required to do LCM in the 1st one and HCF in the 2nd one. So if a question is based on grouping what thing we should keep in our mind and please tell me what is the difference in both of them

**guptaabhinav0809**1st March 2019 1:40 PM

### ICSE VII Mathematics Rational Numbers

## sum of two rational numbers is -4. If one of them is -13/25. Find the other.

**almu2008**8th March 2019 12:16 PM

### CBSE X Mathematics Real Numbers

## if hcf (336,54) = 6, find lcm (336,54).

**vishalsharma274149**9th March 2019 6:30 PM

### CBSE X Mathematics

## Express the HCF /GCD of 48 and 18 as a linear combination. Please advice, is it necessary to show it is not unique in this type of question.

**Nimmi**25th March 2019 12:29 PM

### ICSE VII Mathematics HCF and LCM of Numbers

## Find the smallest number that is exactly divisible by 840, 630, 945 and 378.

**krp782004**1st April 2019 11:00 PM

### CBSE VIII Mathematics

## {9/16*4/12}+{9/16*-3/9}

**Iproexpert2959**8th April 2019 9:04 PM

### Junior IV Mathematics

## what is HCM and LCM

**varaha24**20th April 2019 10:45 AM

### CBSE VI Mathematics

## four bells toll after an interval of 8,9,12, and 15 second respectively. When will thry toll again?

**rajibissoupboy**1st May 2019 5:33 PM

### CBSE VIII Mathematics Linear Equations in One Variable

**prahladsumi**15th May 2019 5:31 PM

### CBSE X Mathematics

## what is the HCF of 168 and 144?

**vikram.borakari**24th May 2019 8:50 PM

### CBSE VIII Mathematics Rational Numbers

## -4-(-11/5)

**babureddy188**26th May 2019 8:29 PM

### Junior V Mathematics

## Consider any two prime number and check whether the product of their HCF and LCM is equal to the product of the numbers

**lalitmishra276**28th May 2019 7:24 PM

### CBSE X Mathematics Real Numbers

## Can two number have 6 as their HCF and 172 as their LCM.Give reason

**geet**8th June 2019 11:09 AM

### CBSE VIII Mathematics

## Find the smallest square number which is is exactly divisible by 4, 5, 6 and 12.

**prahladsumi**8th June 2019 4:45 PM

### CBSE VIII Mathematics Rational Numbers

## Verify the closure property of addition for -19/18 and -11/12

**esther.rlrr**10th June 2019 6:22 PM

### CBSE X Mathematics Real Numbers

## What is the characteristic properties of one ? What is the general form of q when decimal expansion of p/q is terminating ? What is the general form of q when decimal expansion of p/q is non-terminating &reccuring ? Write the steps to solve a quadrati equation by the method of completing the square. What is the formula to find LCM & HCF of p,q,r,when p,q,r are given.

**sureshchp**12th June 2019 9:27 PM

### ICSE VII Mathematics Fractions

## Kate covered distance of 2/5 of the journey in the first interval and 3/7 of her journey in the second interval how much of the distance is she yet to cover .

**kiruthielango**13th June 2019 9:41 PM

### CBSE X Mathematics Real Numbers

## When we will come to know that whether we have to find hcf or lcm?

**shanayakhatter27**28th June 2019 11:59 PM

### CBSE VI Mathematics Playing With Numbers

## Find the LCM of 27,54 and 90

**surbhikumari808411**3rd July 2019 7:29 PM

### Junior V Mathematics

## Find the sum 8/6+3/5

**Malika20**23rd July 2019 6:03 PM

### ICSE VI Mathematics Factors and Multiples

## 1/5 of 3 1/5 + 2/5 × ( 1 1/4 - 5/8 ) ÷ 1 1/4

**bikas_9999**28th July 2019 4:33 PM

### CBSE X Mathematics Real Numbers

## In an apartment consist of 108 floors, two lifts A and B starting from the ground floor, stop at every 3rd and 5th floors respectively. on which floors, will both of them stop tegether

**jpsreeshaan**28th July 2019 4:43 PM

### Maharashtra VII Mathematics

## LCM of 4 12 20

**rutvikdarwai777**31st July 2019 6:40 PM

### Junior V Mathematics

## Find the least number which is exactly divisble by 14,26 and 144

**Shreysinghal270**2nd August 2019 7:19 PM

### Junior V Mathematics

## The HCF of the number is 6 and their LCM is 144. If one of the number is 36 ,find the other number

**Mukeshkumar1970**2nd August 2019 11:08 PM

### ICSE VI Mathematics Factors and Multiples

## Find the least five digit numbers which when devided by 12, 15and 20 leaves no remainder

**bhattacharjeebeena**5th August 2019 11:49 AM

### Junior V Mathematics

## 3 30/45-1 5/30

**kaurnavjot93139**7th August 2019 5:23 PM

### CBSE VII Mathematics

## four runners starts a race together with speeds of 4km/h, 5km/h, 6km/h, 10km/h on a 30km long circular track. in what period of time they will meet together?

**shubham0kumar24**21st August 2019 11:06 PM

### CBSE VI Mathematics

## A number is divisible by 5&12. which number it is?

**gssameeraja.2009**28th August 2019 6:29 PM

### CBSE VI Mathematics Fractions

## 1/2+1/3-1/4

**ladinphunin93**30th August 2019 6:19 AM

### CBSE X Mathematics Real Numbers

## find the smallest number which leaves remainder 8 and 12 when divided by 28 and 32 respectively

**ajayrath7**31st August 2019 11:38 AM

### Junior V Mathematics

## Find average of 13/5,33/10,7/2,2/5,9/10,3/2

**saumyashah11**5th September 2019 6:32 PM

### Junior V Mathematics

## The heights of Deepak and vikas are 148 5/6 cm and 153 3/4 respectively. Who is taller and by how much?

**nityapandey50**5th September 2019 10:13 PM

### Junior V Mathematics

## Find LCM 72 ,48 and 64 using common division method

**prahladsumi**6th September 2019 4:22 PM

### CBSE VI Mathematics Playing With Numbers

## Rani bought orchids for her garden. She found out she can plant them in rows of 12 or 15. Find the number of plants she had if the number was between 100 and 150

**Srenidhe**10th September 2019 10:32 PM

### ICSE X Mathematics Ratio and Proportion

## Three positive numbers are in the ratio 1/2:1/3:1/4.Find the numbers of the sum of their squares is 244.

**sanjayamakhija5678**15th September 2019 8:01 PM

### Junior V Mathematics

## A cloth merchant sold151/2m of cloth on a day. He sold 147/4m of cloth the next day. How much cloth did he sell in all in two days.?

**dy367037**16th September 2019 5:38 AM

### CBSE X Mathematics

## What is the Lcm of first five even numbers? Will 0 be included

**Vishalgarg12345678**17th September 2019 12:29 PM

### CBSE VI Mathematics Fractions

## 91/4 +67/3-56/32

**ssuman78**23rd September 2019 6:03 PM

### CBSE VI Mathematics Algebra

## Relationship between HCF & LCM of following pairs 64,84

**lavinakirti123**17th October 2019 9:30 AM

### ICSE VI Mathematics Linear Equations in One Variable

**amkazmi2005**17th October 2019 1:02 PM

### ICSE VIII Mathematics Linear Equations

## 0.5(x-0.4)/0.35-0.7(x-2.71)/0.42=x+6.1

**Avni**26th November 2019 9:02 PM

### ICSE IX Mathematics

## there is a circular path around sports field.sonia takes 18 minutes to drive one round of the field ,while ravi takes 12 minutes for the same. suppose they both start at the same point and at the same time, and go in the same direction .after how many minutes will they meet again at the starting point

**davidmaseey**25th January 2020 1:30 PM

### CBSE X Mathematics Real Numbers

## The LCM of x and 18 is 36&th3 hcf of x and 18 is 2 What is number x

**Babloosaji**26th January 2020 6:09 PM

### CBSE VI Mathematics Fractions

## Arrange in descending order

**Narayana**27th February 2020 7:04 AM

### CBSE VIII Mathematics Rational Numbers

## 2/5*(-3)/7-1/14-3/7*3/5

**subrat14514**2nd April 2020 7:48 PM

### CBSE X Mathematics Real Numbers

## The least number that is divisible by all the numbers from 1 to 10 (both inclusive)

**arajeevshashank**4th April 2020 4:07 PM

### CBSE X Mathematics Real Numbers

## The least number that is divisible by all the numbers from 1 to 10 (both inclusive ) is ?

**arindeep.singh**23rd April 2020 4:52 PM

### CBSE VIII Mathematics Playing With Numbers

## how to do lcm

**vbalajiakvd**24th April 2020 3:28 PM

### CBSE X Mathematics Real Numbers

## If HCF(a,b)=2 and LCM(a,b)=27, find a,b

**minnumurali13**10th May 2020 11:11 AM

### ICSE VII Mathematics Rational Numbers

## Find the value of -6/13+11/-26

**vinayakyadav93.7spicertl**18th May 2020 4:08 PM

### CBSE IX Mathematics Number System

## insert 5 rational number between 3 /11 and 4 /11

**Namita.kmr**30th May 2020 11:58 PM

### CBSE X Mathematics Real Numbers

## Traffic light at three different road crossing change after every 56sec,72 sec and 126sec respectively. If they change simultaneously at 9 am at what time will they change simultaneously again? Write the importance of traffic lights.

**prachijainskb20**11th June 2020 4:08 AM

### Junior V Mathematics

## What is LCM and HCF

**sakshipatel2727.5sdatl**12th June 2020 4:43 PM

### CBSE X Mathematics Real Numbers

## question

**arindeep.singh**16th July 2020 7:11 AM

### CBSE X Mathematics Real Numbers

## if HCF of 255 and 51 is 17 then find the LCM .

**ishu123abha**22nd July 2020 4:21 PM

### CBSE X Mathematics Real Numbers

## LCM of two numbers a & b, where b is a multiple of a

**kd585691**12th August 2020 11:01 AM

### ICSE VII Mathematics Rational Numbers

## Find the sum of -3/-11+5/9

**pratikshabhore65.7spicertl**17th August 2020 3:13 PM

### CBSE VI Mathematics Playing With Numbers

## lcm for 232 and 264

**khushisk25**18th August 2020 7:37 PM

### Junior V Mathematics

## Change the following having same denominator- 2/9,7/12

**mansigaaa**20th August 2020 5:00 PM

### Maharashtra VII Mathematics

## ⦁ Rohan comes back home for a vacation every 60 days. Rahul comes back home for a vacation every 45 days. Ram comes back home for a vacation every 120 days. If they all leave the house on 7th June, 2019, when will the 3 come home together?

**sanjana.pravina123**26th August 2020 6:02 PM

### CBSE X Mathematics Real Numbers

## write the smallest number which is divisible by both 306and 657

**gayatrig222**31st August 2020 4:15 PM

### CBSE X Mathematics Real Numbers

## find the lcm of the following numbers 4 and 8

**sindujapittala123**3rd September 2020 5:07 PM

### CBSE VI Mathematics Playing With Numbers

## Find the LCM of 48,64,72,96,108 by division method

**aarjunain54321**4th September 2020 8:54 PM

### CBSE X Mathematics Real Numbers

## maths

**garuleanushka**5th September 2020 10:02 PM

### CBSE X Mathematics Real Numbers

## help me by solving this paper

**khushiaggarwal726**10th September 2020 10:15 AM

### Gujarat VII Mathematics

## 2/7 and 4/5

**ketanlakhani4353**17th September 2020 10:23 AM

### CBSE VI Mathematics Playing With Numbers

## What is the least perfect least square which is divisible by each of 21, 36 and 66? Give your answer in index form

**aryan975404**26th September 2020 5:25 PM

### CBSE VII Mathematics Exponents and Powers

## [(5 ^(-1) - 3 ^(-2)+3^3]^-1

**trivedijuhi7312**5th October 2020 8:10 AM

### CBSE X Mathematics Real Numbers

## if xy=180 and hcf (x,y)=3 , then find the lcm (x,y)

**rajshivam35941**12th October 2020 1:13 PM

### CBSE X Mathematics Real Numbers

## find the lcm of 26 and 32

**btcrajesh.2007**29th October 2020 10:21 PM

### CBSE VIII Mathematics

## lcm of 1491 and 3408

**aniketkawakol**28th December 2020 8:08 AM

### Junior V Mathematics

## The product of two no is 60 if lcm is 30 find the hcf

**ravikumarbgp60**19th January 2021 12:44 AM

### ICSE VI Mathematics Fractions

## how to find out the LCM of 4 upon 9 and 5 upon 6? or any other fractions.

**irenecoutinho1952**15th February 2021 9:59 PM

### CBSE IX Mathematics Number System

## for anytwo number HCF LCM =

**devmeetsinghshah2003**6th April 2021 11:19 PM

### CBSE X Mathematics Real Numbers

## What will be the product of HCF and LCM of the smallest prime number and the smallest composite number?

**anithagpillai76**24th April 2021 6:10 PM

### CBSE X Mathematics Real Numbers

## find the smallest no.when no.30,40,and 60,divided and leaves remainder 7

**singhaarzoo155**16th May 2021 7:38 PM

### CBSE VIII Mathematics Rational Numbers

## Find five rational numbers between -2/3 and 7/12

**manjugoelid**21st May 2021 1:49 PM

### CBSE X Mathematics Real Numbers

## find the HCF & LCM of 96 & 404

**prajwalnigadi**10th June 2021 8:13 PM

### CBSE X Mathematics Real Numbers

## In the 10th question of 1b from rs aggarwal .why did we subtract 7 from lcm

**pankhilgupta432**28th June 2021 5:41 PM

### CBSE X Mathematics Real Numbers

## The traffic lights at three different roads crossing change after every 48 seconds ,72 seconds and 108 seconds respectively. If they all change simultaneously at 8 a.m . Then at what time will they again change simultaneously

**rakshitasingh973**30th June 2021 12:07 PM

### ICSE VIII Mathematics Rational Numbers

## Insert four rational numbers between 5/7 and 2/3

**meharangel2008**10th July 2021 5:52 PM

### CBSE VI Mathematics Playing With Numbers

## lcm and hcf

**sushilasushila35756**1st August 2021 7:43 PM

### CBSE VI Mathematics Playing With Numbers

## find the smallest 4 digit number which is divisible by 18,24 and 32

**kashti2610**8th August 2021 12:49 PM

### CBSE VII Mathematics Rational Numbers

## Which two consecutive even numbers have an LCM of 180?

**Geetadevib9**2nd September 2021 10:55 AM