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Question

A perfect square number cannot end with ___ at the unit's place.


A
0
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B
8
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C
4
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D
6
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Solution

The correct option is B 8
If a number ends with 2, 3, 7 or 8 then it can’t be a perfect square.

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A perfect square never ends in 2,3,7 or 8 as last digit.
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