Quantitative Aptitude - Arithmetic Ability Questions

Four pairs of words are given. Find the odd one out.

If cosx.cosy + sinx.siny = -1 then cosx + cosy is

The ratio of two numbers is 2 : 3. If the sum of both the numbers is 75, then what is the larger number among both the numbers?

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 .

The price of an article is cut by 31%, to restore to its original value, the new price must be increased by

What is the value of Sin 30° - Cosec 45°?

Two identical hemispheres of maximum possible size are cut from a solid cube of side 14 cm. The bases of the hemispheres are part of the two opposite faces of cube. What is the total volume (in cm3) of the remaining part of the cube?

If the side of a square is increased by 20%, then what will be the percentage increase in its perimeter?