Quantitative Aptitude - Arithmetic Ability Questions

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

O is the centre of a circle and AB is the tangent to it touching at B . If OB = 3 cm. and OA = 5 cm , then the measure of AB in cm

Find the curved surface area (in cm2) of a hemisphere of diameter 7 cm.

The length and breadth of a rectangle are 15 cm and 8 cm respectively. Find its area (in cm2)

The ratio of angles of a triangle are 1 : 2/3 : 3. Then the smallest angle is

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.

Two persons are on either side of a temple, 75 m high, observe the angle of elevation of the top of the temple to be 30 and 60 deg respectively. The distance between the persons is