If moment of inertia of disc about the diameter is given as $\mathrm{I}$, then the moment of inertia of the same disc about an axis perpendicular to its plane and passing through its rim is

• Correct answer
  A

  $6\mathrm{ }\mathrm{I}$
• B

  $4\mathrm{ }\mathrm{I}$
• C

  $2\mathrm{ }\mathrm{I}$
• D

  $8\mathrm{ }\mathrm{I}$

Hence, the correct answer is option: 'A'.