Quantitative Aptitude - Arithmetic Ability Questions

P can do a piece of work in 60 days & Q can do the same work in 50 days. Find the ratio of working efficiencies of P to Q.

If the angles of a triangle are in the ratio of 2:3:4, then the difference of the measure of greatest angle and smallest angle is

The successive discount of 15%, 20% and 25% on an article is equivalent to the single discount of

How many diagonals are there in octagon?

The total surface area of a cube is 337.5 cm². Find its side (in cm).

The slope of the line passing through the points (2,-1) and (x,5) is -1. Find x?

If 2sec2x - tan2x = 5 and 0° ≤ x ≤ 90°, then x = ?

Find the value of 6732.8 + 673.28 + 67.328 + 6.7328 + 0.67328 ?