Quantitative Aptitude - Arithmetic Ability Questions

Find out the odd word/letters/number/number pair from the given alternatives.

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

If tanA -­ tanB = X, then the value of X is

Δ DEF is right angled at E. If m∠D = 45°, then what is the value of cosecF X cotD?

The upstream speed of the boat is 40 kmph and the speed of the boat in still water is 55 kmph. What is the downstream speed of the boat?

If the value of √30  is approximately 5.477, then what is the approximate value of 56 ?

∆DEF is right angled at E. If cosD = 5/13, then what is the value of tanF?

A pentagonal prism has 15 edges. How many vertices does it have?