Quantitative Aptitude - Arithmetic Ability Questions

One of four words is a class of which the other three belong. Identify the class.

Simplify : 213 - 112 of 35 + 125 ÷ 213

The volume of a hemisphere is 5749.33 cm³. Find its diameter (in cm).

Two circles of same radius intersect each other at P and Q. If the length of the common chord is 30 cm and distance between the centres of the two circlesis 40 cm, then what is the radius (in cm) of the circles?

Two circles with centres P and Q touch each other externally. A straight line drawn through the point of contact intersects the circle with centre P at A and the circle with centre Q at B. Then, which of the following is true?

Average marks obtained by 19 boys of a college is 56. If the highest marks and lowest marks obtained are removed, then the average reduces by 2. What is the average of the highest and lowest marks obtained?

Sin6A + Cos6A - 1 is equal to

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.