Sushil lives to the North of Rajesh who lives to the

Let N be the greatest number that will divide 86, 112, 138 leaving the same remainder in each case. Then sum of the digits in N is:

If Ashish has 3 types of pens in a ratio 4 : 6 : 5 such that their LCM is 360, then find the sum of the highest and lowest number of pens that he has?

The sum of two numbers is 96 and their HCF is 12. Total number of such pairs is?     

What is the HCF of 36 and 198?

Two numbers are in the ratio 2:8. The product of their H.C.F. and L.C.M. is 3600. The sum of the numbers is:

A number is three times another number and their HCF is 8. What is the sum of the squares of the numbers?

LCM of two numbers is 8 times their HCF. The product of the numbers is 10240. What will be the maximum possible difference between the numbers?

Determine the total count of prime factors in the product: 21⁷ x 19⁷ x 10⁷