Which one of the following numbers has rational square root? Options: A . &nbsp0.4 B . &nbsp0.09 C . &nbsp0.9 D . &nbsp0.025

Which one of the follo

Question

Which one of the following numbers has rational square root?

Options:

A . 0.4

B . 0.09

C . 0.9

D . 0.025

Answer: Option B

âˆš 0.09
=âˆš 9 / 100
=3 / 10
=0.3, which is rational.

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