Question

which are the numbers can never be a perfect square?​

Answer 1

Answer:

When a number ends with zero, its square ends with double zeros. If a number ends with an odd number of zeros then it is not a perfect square. In perfect squares, the digits at the units place are always 0,1,4,5,9. The numbers having 2,3,8,7 are its end place are not perfect squares.

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Answer 2

Answer:

When a number ends with zero, its square ends with double zeros. If a number ends with an odd number of zeros then it is not a perfect square. In perfect squares, the digits at the units place are always 0,1,4,5,9. The numbers having 2,3,8,7 are its end place are not perfect squares.

Step-by-step explanation:

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