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LCM and HCF questions

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LCM and HCF

LCM and HCF Questions- 1

1 / 10

HCF and LCM of two numbers is 8 and 48 respectively. If the ratio of two numbers is 2:3, then the larger of the two number is?

2 / 10

Six bells commence tolling together and toll at the interval of 2,4,6,8,10,12 second respectively. In 30 minutes, how many times do they toll together?

3 / 10

The HCF of two numbers is 21 and their LCM is 221 time the HCF. If one of the numbers lies between 200 and 300, then the sum of the digit of the other number is ____.

4 / 10

Let x be the least number which when divided by 15, 18, 20 and 27 then remainder in each case is 10 and x is a multiple of 31 what is least number should be added to x to make it a perfect square?

5 / 10

Find the 4 digit largest number that is completely divided by each of 12, 15, 18 and 27

6 / 10

Let x be the least number which when divided by 8,9,12,14 and 36 leaves a remainder of 4 in each case, but x is divisible by 11. The sum of digit of x is_______.

7 / 10

The HCF and LCM of two numbers are 12 and 924 res. then the number of such pairs is____.

8 / 10

The LCM of two numbers x and y is 204 times their HCF. If their HCF is 12 and difference between the numbers is 60, then x+y =?

9 / 10

The HCF and LCM of two natural numbers are 12 and 72, respectively. What is the difference between the two numbers, if one of the numbers is 24?

10 / 10

HCF of two numbers is 18. If the sum of these two numbers and their LCM is 954. Then how many pairs of such numbers are possible?

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LCM and HCF

LCM and HCF Questions -2

1 / 10

The ratio of two numbers 9:14 and their LCM is 1008. The numbers are____.

2 / 10

The product of the LCM and HCF of two numbers is 24. the difference of the two numbers is 2. Find the numbers.

3 / 10

Three numbers which are co-prime to each other are such that the product of first two numbers is 551 and that of the last two is 1073. the sum of these three numbers is _____.

4 / 10

Let x be the greatest number that will divide 351, 524 and 697 leaving the same remainder in each case. Then, sum of the digit in X is______.

5 / 10

The LCM and HCF of two numbers is 11 and 385, if one number lies between 35 and 90 find both the numbers.

6 / 10

If the LCM of two numbers is 1728 and x is 5184, then how many values of x is possible?

7 / 10

The HCF and product of two numbers are 15 and 6300 respectively. The numbers of possible pairs of the number is_____.

8 / 10

 The H.C.F of two number is 11 and their L.C.M is 693. If one of the numbers is 77, find the other.

9 / 10

The sum of two numbers is 1215 and their HCF is 81. How many pairs of such numbers is possible?

10 / 10

The product of two LCM and HCF number is 2535. the smaller number is 60%of larger number. Find the difference between the numbers.

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LCM and HCF

LCM and HCF Questions- 3

1 / 6

Find the sum of digit of a smallest number which when divided by 16, 24, 30 and 36 leaves remainder 8, 16, 22, and 28 res. but exactly divisible by 7?

2 / 6

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. find the sum of the three numbers.

3 / 6

A trader has three kinds of oil 25l, 55l and 125l. Find the least number of full casks of equal sizes require to store all the oil without mixing.

4 / 6

Let x be the least number, which when divided by 5, 6, 7 and 8 leaves a remainder 3 in each case but when divided by 9 leaves no remainder. the sum of digit of x is_______.

5 / 6

A servant was hired for fixed days for which he had to pay Rs. 3239. he was absent for some days, and only rs. 2923 was paid, what was his maximum daily wages?

6 / 6

Find the largest number of four digits, which divided by 15,18,21 and 24 res. leave the remainder 11,14,17 and 20 respectively.

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