Quantitative Aptitude - Arithmetic Ability Questions

The value of 1/64 is equal to square of

What is the value of (4a2 + 8b + 14c + 2)/2 ?

If x + y = 3, then what is the value of x3 + y3 + 9xy?

A = (x8 – 1)/(x4 + 1) and B = (y4 – 1)/(y2 + 1). If x = 2 and y = 9, then what is the value ofA2 + 2AB + AB2?

If x – 4y = 0 and x + 2y = 24, then what is the value of (2x + 3y)/(2x – 3y)?

The angles of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary. The height of the tower is

What is the compound interest on Rs. 48,000 for 2 years at 20% p.a., if interest is compounded annually?

The value of (1 - √2) + (√2 - √3) + (√3 - √4) + ..... + (√15 - √16) is