EVEN NUMBERS All multiples of 2 are called even numbers.

Set of even numbers

Odd and Even Numbers

ODD NUMBERS Numbers which are not multiples of 2 are called odd numbers.

Cube of an even number is even.

The smallest even whole number is

Find the average of all the odd numbers and all the even numbers from 1 to 45.

Which of the following are examples of empty set? Set of all even rime numbers.

Cube of an odd number is even.

An unbiased die is thrown. What is the probability of getting: (i)an even number (ii)  a multiple of 3 (iii)an even number or a multiple of 3 (iv)an even number and a multiple of 3 (v)a number 3 or 4 (vi) an odd number (vii)a number less than 5 (viii)a number greater than 3 (ix)a number between 3 and 6