Quantitative Aptitude - Arithmetic Ability Questions

If (cotA - cosecA)2 = x, then the value of x is

Find the odd one out.

On selling 56 chairs, Mohan earns profit equal to the selling price of 6 chairs. What is the profit percentage?

A car travels a certain distance at 34 km/h and comes back at 66 km/h. What is the average speed for total journey?

What is the sum of the first 12 terms of an arithmetic progression if the first term is 3 and last term is 47?

The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)

Find the radius of the circle if the length of its arc is 33 cm whose corresponding central angle is 90° ?

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