Q. 55.0( 3 Votes )

Write all numbers

Answer :

All the numbers from 400 to 425 which end in 2, 3, 7 or 8 are

402, 403, 407, 408, 412, 413, 417, 418, 422, 423

We know that every square has one of these as its unit place digit 1, 4, 9, 6, 5, 0. So, none of these is a perfect square.

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