Quantitative Aptitude - Arithmetic Ability Questions

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

If x = cosecθ - sinθ and y = secθ - cosθ, then the relation between x and y is

If cosAcotA/(1 -­ sinA) = x, then the value of x is

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 1,800, and Rs 1,926 respectively, what is the rate of interest?

The price of an article is discounted by 25%, to restore to its original value, the new price must be increased by

The ratio of the volume of two cylinders is 7 : 3 and the ratio of their heights is 7 : 9. If the area of the base of the second cylinder is 154 sq. cm, then what will be the radius (in cm) of the first cylinder?

Curved surface area of a cylinder is 528 sq cm. If circumference of its base is 44 cm, find the height of the cylinder?

Bipul is 16 years younger than Saibal. 12 years hence, Saibal's age will be 1.5 times that of Bipul. Saibal is now ___ years old.