Quantitative Aptitude - Arithmetic Ability Questions

If cosA + cos2A = 1 then the value of sin2A + sin4A is

Qamar gained 16% on the resale of a used stereo. If he purchased the item for Rs. 1500, how much did he sell it for?

When a discount of 25% is given on a box of popcorn, the profit is 25%. If the discount is 10%, then the profit is

The cube of 997 is

What is the simplified value of (cosec A – sin A)(sec A – cos A)(tan A + cot A)?

If tan4θ + tan2θ = 1 then the value of cos4θ + cos2θ is

The first and last terms of an arithmetic progression are 25 and ­52. What is the sum of the series if it has 12 terms?

If a+1b = 1 and b+1c = 1 then c+1a = ?