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 21
Multiplying a 3-digit number by 101
1.Select a 3-digit number .
2.The sum of the first and third digits will be the middle digit: _ _ A _ _.
3.The first two digits plus the carry will be the first digits: A A _ _ _.
4.The last two digits of the number will be the last digits: _ _ _ A A.
Ex:1
If the number chosen is 728:
7 + 8 = 15 (sum of first and third digits):_ _ 5 _ _ (keep carry, 1)
72 + 1 = 73 (first two digits plus carry):7 3 _ _ _.
The last two digits are the same:_ _ _ 2 8.
Then 728 × 101 = 73528.
Ex:2
The number chosen is 318.
3 + 8 = 11 (sum of first and third digits):_ _ 1 _ _ (keep carry, 1)
31 + 1 = 32 (first two digits plus carry):3 2 _ _ _.
The last two digits are the same:_ _ _ 1 8.
Then 318 × 101 = 32118.
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Aptitude Quiz Banking Quiz Computer Quiz
Daily Quiz English Quiz GK 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 21
Multiplying a 3-digit number by 101
1.Select a 3-digit number .
2.The sum of the first and third digits will be the middle digit: _ _ A _ _.
3.The first two digits plus the carry will be the first digits: A A _ _ _.
4.The last two digits of the number will be the last digits: _ _ _ A A.
Ex:1
If the number chosen is 728:
7 + 8 = 15 (sum of first and third digits):_ _ 5 _ _ (keep carry, 1)
72 + 1 = 73 (first two digits plus carry):7 3 _ _ _.
The last two digits are the same:_ _ _ 2 8.
Then 728 × 101 = 73528.
Ex:2
The number chosen is 318.
3 + 8 = 11 (sum of first and third digits):_ _ 1 _ _ (keep carry, 1)
31 + 1 = 32 (first two digits plus carry):3 2 _ _ _.
The last two digits are the same:_ _ _ 1 8.
Then 318 × 101 = 32118.
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
