Quantitative Aptitude - Arithmetic Ability Questions

PQRS is a square, M is the mid-point of PQ and N is a point on QR such that NR is two-third of QR. If the area of ΔMQN is 48 cm2 , then what is the length (in cm) of PR ?

What is the compound interest (in Rs) for 1 year on a sum of Rs 20000 at the rate of 40% per annum compounding half yearly?

For x = 462+3, what is the value of x+22x-22+x+23x-23

If the curved surface area of a right circular cone is 3080 sq cm and its slant height is 35 cm, find its total surface area?

If 27N4 is divisible by 11, then what is the value of N?

If R = 97 and S = 155.2, then S is how much percentage more than R?

If (a + b)/c = 6/5 and (b + c)/a = 9/2, then what is the value of (a + c)/b?

The side of an equilateral triangle is 14 cm. Find its area (in sq.cm).