The following questions are accompanied by three statements (A) or (I), (B) or (II), and (C) or (III). You have to determine which statements(s) is/are sufficient/necessary to answer the questions.

Q10. Find the number of pigs in a group of pigs and hens.

A.The total no. of hens is 20.

B.In the group, the no. of legs are 32 more than twice the no. of heads.

C.If 4 rabbits be included in the group, the total no. rises to 40