Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (sinA -­ 2sin3A)/(2cos3A -­ cosA)?

What is the value of √[(1 - sinA)/(1 + sinA)]?

If 1/√(1 -­ sin2A) = x, then the value of x is

What is the area (in sq cm) of an equilateral triangle of side 6 cm?

Point P is the midpoint of segment AB. Co-ordinates of P are (3 , 1) and B are (5, -4). What are the co-ordinates of point A?

If x2 – 4x + 1 = 0, then what is the value of x9 + x7 – 194x5 – 194x3?

Sumit and Amit undertook a work for Rs 7200. Sumit alone can do the work in 5 days and Amit alone can do the work in 4 days. If they work together,then what will be the difference (in Rs.) in the amount they receive?

If 3a – (3/a) – 3 = 0, then what is the value of a3 – (1/a3) + 2?