1. How to find out whether a given number is Odd or Even WITHOUT USING ANY ARITHMETIC OPERATOR

 A simple question which can really impress someone who has recently started C programming.

If the number is odd then its Least Significant Bit (LSB) will be set to 1 otherwise if the number is even then its LSB  is set to 0. When you perform bitwise AND(&) operation of numeric 1 with the given number the result would be either 1 if the number is odd or 0 if the number is even.

Let us see the implementation of these:

int find_Odd(int number)

{

      return ( number&1 );

}