Quantitative Aptitude - Arithmetic Ability Questions

If √(sec2A - 1)/secA = x, then the value of x is

Determine the value of a2+b2a3+b3 when a = 2+√3 and b = 2-√3.

If a2+b2c2 = b2+c2a2 = c2+a2b2 = 1k k≠0 then k =

Find the area (in sq units) enclosed by y = 0, x+6=0 and 2x-3y=6.

The length of a rectangle is increased by 25%. To maintain the same area, the breadth has to be decreased by

What is the simplified value of cosec6A – cot6A – 3 cosec2A cot2A?

If P = 350 and Q = 600, then P is how much percentage less than Q?

A group of boys has an average weight of 36 kg. One boy weighing 42 kg leaves the group and another boy weighing 30 kg joins the group. If the average now becomes 35.7 kg, then how many boys are there in the group?