Puzzles

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I'm a part-time tutor for Entrance tests like CAT, GRE, GMAT and math is something that i just love. I'll share a small numo-shortcut for u 11^2 = 121 111^2 = 12321 1111^2 = 1234321 Squares of numbers with just "1" is easy to calculate... LEts take 111^2 for example. It has 3 "ones" so just write "123" then complete it in descending order which is "21" . Hence 12321 . Try it out and let me know

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