Quantitative Aptitude - Arithmetic Ability Questions

The median of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

The average age of 27 students of a class is 22. If the age of the teacher is also added to their ages, then the average increases by one. Find the age of the teacher.

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 29160, and Rs 31492.8 respectively, what is the rate of interest?

When Vijay sells 12 pens, he gains the selling price of 2 pens. Calculate his % profit?

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

Simple interest on a certain sum of money for 3 years at 18% per annum is half the compound interest on Rs. 9000 for 2 years at 10% per annum. The sum placed on simple interest is:

Which of the following equations has 3 as a root?

The diagonals are not perpendicular in a _____.