Let $R$ be a relation on the set of all natural numbers given by $\alpha b \Leftrightarrow \alpha$ divides $b^2$.

Which of the following properties does $R$ satisfy?

$I.$ Reflexivity   $II.$ Symmetry   $III.$ Transitivity

  • [KVPY 2017]
  • A

    $I$ only

  • B

    $III$ only

  • C

    $I$ and $III$ only

  • D

    $I$ and $II$ only

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