If $$x+{16\over x}=8$$, then the value of $$x^2+{32\over x^2}$$ is:

The product of 2 numbers is 1575 and their quotient is 9/7. Then the sum of the numbers is –

Which of the following options has the greatest value?

A divisor is 15 times the quotient and 3 times the remainder. If the remainder is 40, find the dividend.

The difference between a number and the square root of the number is 2. The number is:

(49)¹⁵ – 1 is exactly divisible by: 

Let x be the greatest number which when divides 955, 1027, 1075, the remainder in each case is the same. Which of the following is NOT a factor of x?

In a proportion, the 1^st , 2^nd and 4^th  terms are 51, 68 and 108, respectively. What is the 3^rd term?