Find the square of the following numbers without actual multiplication:
(1) (55) square
(2) (110) square
(3) (60) square
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1. If the unit digit is 5 (as it’s 55)
So do..5x6 then last two digits will be 25 (5 sq)
So the answer will be 5x6 =30 and 5sq = w5
So the answer is 3025
So do..5x6 then last two digits will be 25 (5 sq)
So the answer will be 5x6 =30 and 5sq = w5
So the answer is 3025
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