Explain in detaill... No linkkkkk..:

Q. Two magnets have the same length and the same pole strength. but one of the magnet has a small hole at its centre .Then. 

Answer options:
$$\begin{gathered} \bullet \mathrm{Both} \mathrm{have} \mathrm{equal} \mathrm{magnetic} \mathrm{moment}. \\ \bullet \mathrm{One} \mathrm{with} \mathrm{hole} \mathrm{has} \mathrm{smaller} \mathrm{magnetic} \mathrm{movement}. \\ \bullet \mathrm{One} \mathrm{with} \mathrm{hole} \mathrm{has} \mathrm{larger} \mathrm{magnetic} \mathrm{movement}. \\ \bullet \mathrm{One} \mathrm{with} \mathrm{the} \mathrm{hole} \mathrm{loses} \mathrm{magnetism} \mathrm{through} \mathrm{the} \mathrm{hole}. \end{gathered}$$