1.

By just observing the digits at ones place, tell which of the following can beperfect squares?1026, 1022, 1024, 1027​

Answer»

1024 is a perfect SQUARE among the rest of the following numbers because the number ‘1024’ ends with the digit ‘4’ and 4 is the square of 2. The number ‘1024’ is the square of the number ‘32’ .



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