Quantitative Aptitude - Arithmetic Ability Questions

The simple interest on a sum is 7/8 of the principal for 5 years. What is the rate (in percentage) of interest per annum?

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

In ΔABC measure of angle B is 90°. If cosecA = 13/12, and AB = 10cm, then what is the length (in cm) of side AC?

The number of sides of a regular polygon whose exterior angles are each 72 deg is

If the standard deviation of a population is 4.5, what would be the population variance?

The volume of a hemisphere is 19404 cm3. Find its diameter (in cm).

ΔABC is isosceles having AB = AC and ∠A = 40°. Bisectors PO and OQ of the exterior angles ∠ABD and ∠ACE formed by producing BC on both sides, meet at O. Then the value of ∠BOC is

A cylindrical vessel of radius 7 cm is partially filled with water. By how much will the water level rise if a sphere of radius 6 cm is completely immersed in this water?