Easy Multiplication Shortcut 11

Bankers Adda is also known to be called as Easy Shortcuts adda.
Today we came back with a New Easy Shortcuts
Go through the shortcut and if you have any doubts please contact bankers adda in the comment section.

Easy Multiplication Shortcut 11

Multiplying two 2-digit numbers (difference of 6)
Choose a 2-digit number.
Select a number either 6 smaller or 6 larger.
Find the middle number of the two (the average).
Square this middle number.
Subtract 9 from this square.

If the first number is 31, choose 37 as the second number.
The middle number (the average) is 34.
Square this middle number: 34 × 34 = 1156.
Subtract 9 from this square: 1156 - 9 = 1147.
Then 31 × 37 = 1147.

Checkout other Topics

  Aptitude Quiz                                Banking Quiz                     Computer Quiz                  

  Daily Quiz                                      English Quiz                       GK Quiz         

  English Learning Tips                   Invention Quiz                    Reasoning Quiz

  Interview Tips                               Abbreviations                     Dates to Remember

Related Posts Plugin for WordPress, Blogger...