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 Squaring Shortcut 1
Squaring a 2-digit number which ends in 5
1. Last two digits of the square are always 25.
2. To find the number which comes before 25, just perform the operation n x (n+1), where n is the digit before 5 in the original number.
3. By putting the number received in step 2, just before 25 and you get your square.
Example: Find the square of 45?
If you want to square 45, you can find the same in the following 2 steps
1. Last two digits are 25.
2. The digit before 5 is 4, if you perform n x (n+1) operation on this,
then it will be 4 x (4+1) = 20
3. Hence the square of 45, will be 2025.
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 Squaring Shortcut 1
Squaring a 2-digit number which ends in 5
1. Last two digits of the square are always 25.
2. To find the number which comes before 25, just perform the operation n x (n+1), where n is the digit before 5 in the original number.
3. By putting the number received in step 2, just before 25 and you get your square.
Example: Find the square of 45?
If you want to square 45, you can find the same in the following 2 steps
1. Last two digits are 25.
2. The digit before 5 is 4, if you perform n x (n+1) operation on this,
then it will be 4 x (4+1) = 20
3. Hence the square of 45, will be 2025.
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