बुद्धत्व में कौन

The LCM of two numbers is 4 times of their HCF. The sum of LCM and HCF is 350. If one of the number is 200, then the other number is:

What is the least number which when divided by 3, 15 & 18 leave a remainder 6 in each case & it is also divisible by 12?

The H.C.F. of two numbers is 14 and the other two factors of their L.C.M. are 5 and 11. The larger of the two numbers is:

LCM of two numbers is 12 times their HCF. The product of the numbers is 25920. What will be the maximum possible difference between the numbers?

If the total ages of A and B is 18 years more than the total age of B and C. C is how many years younger than A?

Find the HCF and LCM of 24, 36 and 60.

The LCM of two natural numbers is 12 times their HCF. If the product of given two numbers is 432, then find the LCM of the numbers. 

What is the HCF of 4/5, 6/8, 8/25 ?

The product of two positive integers is 3630. If their HCF is 11 and their sum is 143, then find the difference between the numbers.