which of the following number are not the perfect squares ? give reasons : (a) 76432
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Therefore 7928 is not a perfect square because its unit's place digit is 8. (iv) Since, perfect square numbers contain their unit's place digit 0, 1, 4, 5, 6, 9 and even number of 0. Therefore 222222 is not a perfect square because its unit's place digit is 2.
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