Showing posts with label HCF and LCM. Show all posts
Showing posts with label HCF and LCM. Show all posts
Wednesday, February 10, 2016

HCF and LCM

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The HCF of two numbers is 1/6th of the LCM of those two numbers. if one of the numbers is 15, find the other?

LCM and HCF

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The product of 2 digit numbers is 2160 and their LCM is 180. Find the 2 numbers.

HCF

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Find the HCF of 2923 and 3239
Saturday, January 24, 2015

HCF and LCM,

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Delegates from 5 different schools are coming to Srimati sulochanadevi singhania school. The number of delegates from Kendriya vidyalaya i...
Monday, January 12, 2015

HCF and LCM

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A number p is such that: p = 5k1 + 4, p = 6k1 + 5, p = 7k1 + 6, p = 8k1 + 7, p = 9k1 + 8, Find the smallest number that satisfy this...

HCF and LCM

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The product of 2 numbers and its HCF is 1080. How many such pair of numbers are possible which satisfy the above condition?
Sunday, December 21, 2014

HCF and LCM

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Three numbers are in the ratio of 3:6:9 and their LCM is 2700. What is the HCF?
Saturday, November 22, 2014

LCM and HCF

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Three numbers are in the ratio of 3:4:5 and there LCM is 2400. What is the HCF?
Monday, August 25, 2014

LCM and HCF

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Three wheels can complete 60, 36 and 24 rpm respectively. There is a red spot on each wheel that touches the ground at time zero. After ho...
Sunday, August 17, 2014

LCM and HCF

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On Ashok Marg three consecutive traffic change after 36,42 and 72 secs respectively. If the lights are first switched on at 9:00 A.M. sharp...
Saturday, August 16, 2014

HCF and LCM ----MAT 2014

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question number 45 of MAT The HCF of two numbers is “x” and the sum of the uncommon factors is 20 and the product of the uncommon fact...
Saturday, April 12, 2014

HCF and LCM

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the traffic lights at 3 different road crossings change after 48 sec, 72 sec and 108 sec . If they change simultaneously at 7 a.m after w...
Saturday, February 1, 2014

Questions (with answers) on HCF and LCM

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Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case. The least multiple of 7, which l...
Tuesday, December 24, 2013

harder HCF --- tutorial

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Find the HCF of the following pair of numbers ·          703, 851 ·          553, 869 ·          2117, 2263 ·          2773, 3...
Tuesday, November 19, 2013

HCF and LCM

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The HCF of two numbers is 23, and two of the factors of LCM are 13 and 14. Find the greater of the two numbers.
Saturday, August 31, 2013

HCF

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Find the HCF of x 4 + x 2 + 1 and x 10 + x 5 + 1
Friday, August 9, 2013

Division , HCF and LCM

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Use Euclid’s division algorithm to find the HCF. Also find which of the following pairs of numbers are co-prime:  NCERT Exem...
Wednesday, July 17, 2013

Tougher questions in LCM

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Find the greatest number less than 900 which is exactly divisible by 8, 12 and 28? Answer: LCM of 8,12, 28 = 168 to find the multi...
Tuesday, July 16, 2013

HCF and LCM of fractions

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To find the HCF and LCM of several fractions: Step 1: First express the fractions in their lowest terms. Step 2: HCF = HCF of...

tougher problems on LCM

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A gardener had a number of shrubs to plant in rows. At first he tried to plant 5 in each row, then 6, then 8, then 9 and then 12, but ...