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By just observing the digit at ones place tell which of the following is a perfect square 1. 10262. 10223. 1024 4. 1027 |
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Answer» Answer: The digit at the units PLACE of a square can be 1,4,9,6,5, and 0. Using the above point I can TELL that 1 and 3 COULD be perfect squares. |
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