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 4
Multiplying two 2-digit numbers (difference of 2)
1:Choose a 2-digit number.
2:Select a number either 2 smaller or 2 larger.
3:Square the Middle number.
4:Subtract 1 from this square.
Ex:
If the first number is 29, choose 31 as the second number.
The Middle Number of 29 and 31 is 30. Square 30: 30 × 30 = 900.
Subtract 1: 900 - 1 = 899.
So 29 × 31 = 899.
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
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 4
Multiplying two 2-digit numbers (difference of 2)
1:Choose a 2-digit number.
2:Select a number either 2 smaller or 2 larger.
3:Square the Middle number.
4:Subtract 1 from this square.
Ex:
If the first number is 29, choose 31 as the second number.
The Middle Number of 29 and 31 is 30. Square 30: 30 × 30 = 900.
Subtract 1: 900 - 1 = 899.
So 29 × 31 = 899.
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
