Three numbers which are co-prime to one another are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is: 

If the students of a class can be grouped exactly into 6 or 8 or 10, then the minimum number of students in the class must be. 

Find the HCF of 3341 and 3328.

a and b are two whole numbers and c is their HCF, then the LCM of those two numbers is

If (x + k ) is the common factor of x² + ax + b and x² + cx + d , then what is k equal to ?

What will be the greatest common factor of 96, 528, 2160, 3520?

The least multiple of 7, which leaves the remainder 4, when divided by any of 6, 9, 15 and 18, is 

The least multiple of 13, which on dividing by 4, 5, 6, 7 and 8 leaves remainder 2 in each case is