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

1! + 2! + 3! + 4! + ......... + 50! Find the unit digit of?

The product of the zeroes of the quadratic polynomial x²+7x+ 10 is

If the 8-digit number 888x53y4 is divisible by 72, then what is the value of (7x + 2y) for the maximum value of y?

Direction: What value will come in place of the question mark (?) in the following question?

100, 108, 120, 136, 156, ?

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?

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

The cube of 997 is