a A number which is a perfect square can never end with the digit – InterviewSolution

1.

a A number which is a perfect square can never end with the digit

Answer»

2, 3, 7 or 8. is the answer.

100,400,900all are Perfect Square having unit digit0and tens digit is0. – If a number ends with 2, 3,7or8then it can't be perfect square.

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