Quantitative Aptitude - Arithmetic Ability Questions

In a rhombus _____.

What is the value of a2 + b2a3 - b3, when a + b = 8 and a - b = 2?

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out 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.

Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.

Consider the circle shown below having angle AOB as 135 deg and the shaded portion is the x part of the circular region. Calculate the value of x.

The surface area of a sphere is 5544 sq.cm. Find its diameter (in cm).

Monika's father was 38 years of age when she was born while her mother was 36 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?