Quantitative Aptitude - Arithmetic Ability Questions

What is the measure of an interior angle of a regular Octagon?

The average of first 20 multiples of 12 is

The total surface area of a hemisphere is 4158 cm2. Find its diameter (in cm).

Δ DEF is right angled at E. If m∠D = 45%., then Cosec F =

What is the value of 1sin490-θ+1cos290-θ - 1 ?

There are total 200 students in a school, of which 1/5th are boys. Find the number of girls in the school.

Find the area (in cm2) of a semi-circle of radius 28 cm.

A watch shows 6 p.m. where the hour hand points east. In which direction is the minute hand facing when the time is 9.15 p.m?