My first trick  !!!!!!!!!!!!!!

Multiplication of two numbers between 90 & 100 in 5 sec.....

Take 2 numbers 

For eg : 

98 * 97 (should be between 90  - 100)           

                          

This is How....

Examples:

        93 * 99 = 9207

        96 * 91 = 8736

Try These.....

91 * 91 = ?

97 * 92 = ?

98 * 94 = ?