Quantitative Aptitude - Arithmetic Ability Questions

If the cost price of 20 books is the same as selling price of 25 books, then the loss percentage is

The tangents drawn at points A and B of a circle with centre O, meet at P. If ∠AOB = 120° and AP = 6 cm, then what is the area of triangle (in cm2) APB?

What is the reflection of the point (-3, 1) in the line x = -2?

T is a point on the common tangents at P of two circles and if TA and TB are resectively the other tangents at A and B to the two circles drawn from the point T then

What is the circumference (in cm) of a circle whose area is 616 sq cm?

A prism has a regular hexagonal base with side 6 cm. If the total surface area of prism is 216√3 cm2, then what is the height (in cm) of prism?

Curved surface area of a cylinder is 660 sq cm. If circumference of its base is 44 cm, find the volume of the cylinder?

If cos(A-B) - cos(A+B) = x, then the value of x is