1) Finding Square of a number ending with 5
To find the square of 75
Do the following
Multiply 5 by 5 and put 25 as your right part of answer.
Multiply 7 with the next higher digit i.e (7+1)=8 gives
56 as the left part of the answer, Answer is 5625
To find the square of 75
Do the following
Multiply 5 by 5 and put 25 as your right part of answer.
Multiply 7 with the next higher digit i.e (7+1)=8 gives
56 as the left part of the answer, Answer is 5625
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