The product of two consecutive odd numbers is 399. Find the lower of them.

What is the smallest number of 5 digits which is exactly divisible by 12, 24, 48, 60 and 96?

The sum of four consecutive even number is 748.The smallest among them is-

What is the greatest number which will divide 110 and 128 leaving a remainder 2 in each case?

Find the least number which when divided by 12, 15, 18 and 27 leaves remainders 10, 13, 16 and 25 respectively.

Twice the difference between two numbers is equal to their sum. If one number is 15, find the other number.

A is inversely proportional to square of B whereas directly proportional to C. Value of A was 27 when value of B was 4 and value of C was 6. Find the value of A when value of B will be 3 and value of C will be 8.

For what value of ‘y’, $$ {x^{2}+{1\over12}{x}+y^{2}}$$ is perfect square?