Quantitative Aptitude - Arithmetic Ability Questions

Find the missing number?

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

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

The area of a semicircle is 1925 cm2. Calculate its perimeter (in cm).

Find the smallest of the following decimals.

The difference between the ages of mother and son was 21 when mother's age was 43. If father is elder by 3 years to mother, what will be the difference between the ages of son and father when father attains 50 years?

What is the area (in sq cm) of a regular hexagon of side 14 cm?

AD is the Median of Δ ABC. If O is the centroid and AO = 10 cm then OD is