Which one of the following represents the number' eleven thousand eleven hundred eleven'?

When a positive integer n is divided by 5 the remainder is 2. What is the remainder when the number 3n is is divided by 5 ?

The product of two numbers is 45 and their difference is 4. The sum of squares of the two numbers is

A number when divided by 192 gives a remainder of 54. What remainder would be obtained on dividing the same number by 16 ?

Twice the difference between two numbers is equal to their sum. If one number is 15, find the other number.

What will be come in place of question mark(?) in the following number series?
8,  14, 25, 46, 82 , ?

A number when divided by 5 leaves a remainder 3. What is the remainder when the square of the same number is divided by 5 ? 

Find the difference between mean and median in the given data 2.5, 4.6, 7.2, 3.3, 4.9, 5.6, 2.7?