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Question

A perfect square can never have the following digit in its ones place.


A

1

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B

8

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C

0

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D

6

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Solution

The correct option is B

8


From the properties of the perfect square, we know that a number with 2, 3, 7 or 8 at the unit’s place should never be a perfect square.

In other words, none of the square numbers ends in 2, 3, 7 or 8.


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