LCM and HCF Test 1 – SSC

If the L.C.M and H.C.F. of two numbers are 2400 and 16, one number is 480; find the second number.

What is the smallest number which when increased by 5 is completely divisible by 8, 11 and 24?

Product of two co-prime numbers is 117. Their L.C.M. should be:

The L.C.M. of two number is 630 and their H.C.F. is 9. If the sum of numbers is 153, their difference is

Find the greatest number which when subtracted from 3000 is exactly divisible by 7, 11, 13.

Find the greatest number that will divide 115, 149 and 183 leaving remainders 3, 5, 7 respectively.

Find the maximum number of students among whom 429 mangoes and 715 oranges can be equally distributed.

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

The greatest number of four digits which is divisible by 15, 25, 40 and 75 is :

The least number of five digits which is exactly divisible by 12, 15 and 18, is: