Tricks for Square two digits numbers

by Subramanian 2012-12-01 17:58:34

Tricks for Square two digits numbers :


First we calculate square value for 12:

1 => first calculate last digit of answer :

122=__(22).
122=__4.

2 => now calculate next digit of answer :

122=_(1*2*2)4.
122=_44.

3 => now calculate first digit of answer :

122=(12)44.
122=144.



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Now we calculate square value for 32:

1 => first calculate last digit of answer :

322=__(22).
322=__4.

2 => now calculate next digit of answer :

322=_(3*2*2)4.
322=_24.(balance 1)

3 => now calculate first digit of answer :

322=(32 + (balance))24.
322=1024.


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