Quantitative Aptitude - Arithmetic Ability Questions

The mean of a distribution is 18 and the standard deviation is 4.5. What is the value of the coefficient of variation?

Select the odd word from the given alternatives.

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

Select the odd word from the given alternatives.

If cot 240° = x, then the value of x is

The lengths of diagonals of a rhombus are 24cm and 10cm the perimeter of the rhombus (in cm ) is :

Find the sum of the measures all the exterior angles of a decagon.

A train of length, 245 metres, takes 20 seconds to cross a 355 metres long bridge. How much time (in seconds) will the train take to cross a 390 metres long platform?