maths shortcuts

 Squaring the numbers ending with 5.

Its so simple you have to follow some simple steps 

1.  Take once number means 5 and square it 
2.  Take tens number and add one 
3. Take the sum and multiply it with tens number.

for example 

square of 65= 

• 5*5= 25
• 6+1=7
• 7*6=42

Square of 65= 4225

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