Maths Tricks - Square Any Two Digit Number
 

 

 
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Maths Tricks of Square Any Two Digit Number
 

Square any two digit number

Suppose the number is 47 . Look for the nearest multiple of 10 . ie; in this case 50 . We will reach 50 if we add 3 to 47. So multiply (47+3) x (47-3) = 50 x 44 = 2200 This is the 1st interim answer.

We had added 3 to reach the nearest multiple of 10 that is 50 thus 3x 3 = 9 This is the second interim answer.

The final answer is 2200 + 9 = 2209 ... Practice This one on paper first.

 
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