The collection first give prime natural numbers is  asset containing the elements 2, 3, 5, 7, 11.

The collection of first five prime natural numbers is asset containing the elements 2, 3, 5, 7, 11.

The sum of first 7 odd natural numbers is 49.

The mean of the square of first 11 natural number is

Which of the following collections represent a set : (i) The collection of women prime ministers of India (ii) The collection of first 5 natural numbers (iii) The collection of intelligent girls of class XI. (iv) The collection of best eleven batsman of the world.

Which of the following collections represent a set : (i) The collection of women prime ministers of India (ii) The collection of first 5 natural numbers (iii) The collection of intelligent girls of class XI. (iv) The collection of best eleven batsman of the world.

Variance of the first 11 natural numbers is …………….

If the mean of first n natural numbers is 11 then n =

Find the median of first 7 prime numbers.

Find the median of first 7 prime numbers.