If 27 small spheres each of M.I. .I. about their diametrical axis are combined to form a big sphere, then the M.I. of the big sphere about its diameter is

If 27 small spheres each of M.I. .I. about their diametrical axis are

1.	If 27 small spheres each of M.I. .I. about their diametrical axis are combined to form a big sphere, then the M.I. of the big sphere about its diameter is
Answer» 243 I 81 I 27 I 9 I ANSWER :A