Quantitative Aptitude - Arithmetic Ability Questions

If the radius (r) of a circle is increased by 'x' units, what is the number of units by which the circumstance of the circle is increased?

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.

Find the odd pair out.

The average age of a batch of 19 members is 24 years. If the age of the faculty be included, then the average increases by 4 months. What is the age of the faculty?

A kite is flying at a height of 50m. If the length of string is 100 m then the inclination of string to the horizontal ground in degree measures is

What are the components of X6 - X4 - X5 - X4 + X2 - 4?

The square root of which of the following numbers is irrational?

Kaushik bought a toy for Rs. 160 and sold it for Rs. 180. The rate of profit was ___%.