Quantitative Aptitude - Arithmetic Ability Questions

Find the perimeter (in cm) of a semicircle of radius 28 cm.

The curved surface area and the slant height of a right circular cone are 99 sq.cm and 9 cm respectively. Find its diameter (in cm)

Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.

ΔABC is right angled at B. BD is an altitude. AD = 9 cm and DC = 16 cm. What is the value of BD (in cm)?

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

The number of pupils of a class is 55. The ratio of the number of male pupils to the number of female pupils is 5: 6. The number of female pupils is

A sum of 2,000, invested at the rate of 8.5% simple interest per annum for 6years will yield an interest of

What is the simplified value of (cos4 A – sin4 A)?