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Byju's Answer
Standard X
Mathematics
Sqrt(p) is Irrational, Where p is Prime
Which one of ...
Question

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


A

32761

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B

81225

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C

20164

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D

42437

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Solution

The correct option is D

42437


We know that the square of a natural number never ends in 2, 3, 7 and 8.

∴ 42437 can't be the square of a natural number.


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