Who was the first female nominated member of the Rajya

The HCF of a^6 - 1 and a^4+ 2a^3- 2a-1 is

Two numbers are in the ratio 5:7. The product of their H.C.F. and L.C.M. is 5040. The sum of the numbers is:

The LCM of two numbers is 5 times their HCF. The sum of LCM and HCF is 180. If one of the numbers is 150, then the other number is

How many pairs of natural numbers (x, y) exist such that x>y and the product of x, y and HCF (x, y) = 2520? solve this 

Two numbers are in the ratio 3:7. The product of their H.C.F. and L.C.M. is 2541. The sum of the numbers is:

Find the smallest multiple of 10 that, when divided by 4, 6, and 9, leaves a remainder of 4 in each case.

The product of two numbers is 216 and their HCF is 6. What is the LCM of the numbers?

Three numbers are in the ratio 2:5:7 respectively. If the HCF of the numbers is 6, then find the LCM of the numbers.

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