Quantitative Aptitude - Arithmetic Ability Questions

What is the reflection of the point (-1 , 3) in the line x = -4?

The square root of 27225 is

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.

Which pair is not similar to the other three?

Find the average of all prime numbers between 20 and 50.

A path of 2.5 m width surrounds a rectangular garden of length 10 m and breadth 8 m. Area of the garden, inclusive of the path is

The number of sides of a regular polygon whose exterior angles are each 60 deg is

A circle has its centre at O . A tangent drawn from a point P , which is situated outside the circle, touches the circle at A. If PA = 4 cm & PO=5 cm, then the length of the radius of the circle is