Quantitative Aptitude - Arithmetic Ability Questions

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

Two labourers A and B are paid a total of Rs 650 per day. If A is paid 160 percent of what is paid to B, how much (in Rs) is B paid?

Find two numbers such that their mean proportion is 16 and third proportion is 1024.

An angle is smaller than its supplementary angle by 70°. What is the measure of the angle?

The amount received at 10% per annum Compound interest after 3 yrs is Rs 5324. What was the principal (in Rs)?

If sinθ+cosθsinθ-cosθ=3,then the value of sin4θ-cos4θ is

If √(1 - cos2A)/cosA = x, then the value of x is

In a triangle PQR, the side QR is extended to S. ∠QPR = 72° and ∠PRS = 110°, then the value of ∠PQR is