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 9
Multiplying two 2-digit numbers (difference of 3)
Choose a 2-digit number.
Select a number either 3 smaller or 3 larger.
Add 1 to the smaller number, then square.
Subtract one from the smaller number.
Add this to the square.
Ex:
If the first number is 27, choose 24 as the second number.
Add 1 to the smaller number: 24 + 1 = 25.
Square this number: 25 × 25 = 625.
Subtract one from the smaller number: 24 - 1 = 23.
Add this to the square: 625 + 23 = 648.
Then 27 × 24 = 648.
Checkout other Topics
Aptitude Quiz Banking Quiz Computer Quiz
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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 9
Multiplying two 2-digit numbers (difference of 3)
Choose a 2-digit number.
Select a number either 3 smaller or 3 larger.
Add 1 to the smaller number, then square.
Subtract one from the smaller number.
Add this to the square.
Ex:
If the first number is 27, choose 24 as the second number.
Add 1 to the smaller number: 24 + 1 = 25.
Square this number: 25 × 25 = 625.
Subtract one from the smaller number: 24 - 1 = 23.
Add this to the square: 625 + 23 = 648.
Then 27 × 24 = 648.
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
