Quantitative Aptitude - Arithmetic Ability Questions

What is the distance between the points (4,­-8) and (­-2,0)?

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

In the following question, select the odd word from the given alternatives.

In the following question, select the odd letter/letters from the given alternatives.

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

Which of the following is correct?

In the given figure, PQ is the diameter of the circle. What is the measure (in degrees) of QSR?

Find the volume (in cub.cm) of a hemisphere of diameter 21 cm.