Quantitative Aptitude - Arithmetic Ability Questions

If P = 99, then the value of P(P2+ 3P + 3) is

PQR is an equilateral triangle whose side is 10 cm. What is the value (in cm) of the inradius of triangle PQR?

Select the odd word from the given alternatives.

A helicopter, at an altitude of 1500 m, finds that two ships are sailing towards it, in the same direction. The angles of depression of the ships as observed from the helicopter are 60° and 30°respectively. Distance between the two ships, in metres is

If 2x+13x = 5, the value of 5x6x2+20x+1 is

If (x - 4) (x2 + 4x + 16) = x3 - P, then P is equal to

The perimeters of a square and an equilateral triangle are equal. If the diagonal of the square is 9 cm, what is the area of the equilateral triangle?

The compound interest earned in two years at 15% per annum is Rs 20640. What is the sum invested (in Rs)?