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LCM & HCF Quiz

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Question 1

Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.

Question 2

Radha has 289 green balls and 340 red balls. These balls are to be divided into different boxes such that each box has the equal number of balls and each box has either red or green balls but not both. What is the minimum number of boxes required?

Question 3

H.C.F of two numbers is 18 and their L.C.M is 1386 and both numbers are three digits number then what is sum of the numbers?

Question 4

The least positive number which should be added to 2291 so that the sum is exactly divisible by 4, 5, 8 and 10?

Question 5

The LCM of two numbers is 14 times their HCF. The sum of LCM and HCF is 600. If one of the number is 80, then the other is

Question 6

The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:

Question 7

Three numbers which are co-prime to one another are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is:

Question 8

What is the smallest number that leaves remainder 5 when divided by 13, 15 and 17.

Question 9

Find the HCF of (4315 − 1) and (425 − 1):

Question 10

The product of two numbers is 2028 and their H.C.F is 13. The numbers of such pair is:
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