Iit jam_mathematics_ifas ifas where learning me indias no.1 institute for csir net, iit-jam mathematics q.344. the number of all subgroups the group (z60. +) of

iit jam_mathematics_ifas IfAS WHERE LEARNING ME INDIAS NO.1 INSTITUTE FOR CSIR NET, IIT-JAM MathematicS Q.344. The number of all subgroups the group (Z60. +) of integers modu 60 is (A) 2 (B) 10 (c) 12 (D) 60