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Which one of the following can’t be the square of natural number ?

/ Aptitude, Numbers / By
Question:
Which one of the following can’t be the square of natural number ?

[A].

30976

[B].

75625

[C].

28561

[D].

143642

Answer: Option D

Explanation:

The square of a natural number nerver ends in 2.

143642 is not the square of natural number.