Quantitative Aptitude - Arithmetic Ability Questions

Coefficient of x2 in 4x3 - 2x2 + 2x -­ 3 are

What is the value of xy if x - y = 3 and x2+y2=15?

If in a triangle ABC, Sin A = Cos B then the value of Cos C is

In an army selection process, the ratio of selected to unselected was 3:1. If 60 less had applied and 30 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?

If 2x - 3 = 3x - 5, then the numerical value of (x - 3)2 is

The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)

Cost price of an article is Rs 360. If the profit percentage is 32%, then what is the value (in Rs) of profit?

Which of the following numbers is a perfect square?