Find the wrong number in the given number series.

The LCM of two numbers is 12 times their HCF. The sum of LCM and HCF is 403 and if both the number are smaller than their LCM. Find both the numbers?

The square of sum of two numbers is 25,600 and the sum of squares of the same two numbers is 13,000. If their H.C.F. is 10, then find their L.C.M.

The HCF of 108 and 144 is ______

The sum of two numbers is 444 and their HCF is 37. Find all the possible pairs of such numbers?

The HCF of any set of 10 co-prime numbers is always:

Three numbers a, b and c are co-prime to each other such that ab = 76 and bc = 133. Find the value of (a + b + c).

The product of two numbers is 504 and their HCF is 6. Total number of such pairs of numbers is?     

Find the least number of four digits which is exactly divisible by 6, 24 and 32?

The LCM of two natural numbers is 15 times their HCF. If the product of given two numbers is 13,500, then find the LCM of the numbers.