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

1.	If 27 small spheres each of M.I. T 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