In terms of ecology, an organism that can tolerate a

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:

Sum of the two numbers is 80. LCM and HCF of that two number is 168 and 8 respectively. Find the difference of the numbers?

Ratio of two numbers 6:13 and their LCM is 1950. Find the sum of the given two numbers.

The HCF of two numbers is 48, and their LCM is 1440. If one of the numbers is 576, find the other number.

The smallest number which when divided by 25 and 30 leaves remainder 10 and 15 respectively is:

Three numbers a, b and c are co-prime to each other such that ab = 88 and bc = 33. 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 HCF of 864 and 582.

Find the HCF and LCM of 18 and 30.