Quantitative Aptitude - Arithmetic Ability Questions

Find the odd word/letters/numbers pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

A boat goes 8 km upstream and 12 km downstream in 7hours. It goes 9 km upstream and 18 km downstream in 9 hours. What is the speed (in km/h) of the boat in still water?

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

What is the value of √2 Sec 45 - Tan 30?

In ΔDEF, G and H are points on side DE and DF respectively. GH is parallel to EF. If G divides DE in the ratio 1:3 and HF is 7.2 cm, find length of DF?

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

If a+b-62+a2b2+1+2b=2ab+2a, then the value of a is