Quantitative Aptitude - Arithmetic Ability Questions

The average of three numbers is 6. The average of the first two is 5 while the average of the last two is 8. The three numbers are:

A chord of length 60 cm is at a distance of 16 cm from the centre of a circle. What is the radius (in cm) of the circle?

If the diameter of a circle is 35 cm, then what will be its circumference (in cm)?

The largest chord of the circle has a length of 20.4 cm. The radius of the circle will be _____.

The volume (in cu.cm.) of a right circular cylinder with radius 1 cm and height 2 cm is: pi = 22/7

If a - b = 5 and a2 + b2 = 97, ab = ?

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.

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