Which of the following conditions imply ...

Which of the following conditions imply that the real number `x` is rational ?
`(i) x^(1/2)` is rational (ii) `x^(2)` and `x^(5)` are rational
(iii) `x^(2)` and `x^(4)` are rational

A

I and II only

B

I and II only

C

II and III only

D

I,II and III

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The correct Answer is:

A

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