Claviceps is a member of

Agaricus is a member of

Aspargus is a member of

There are three clubs A, B and C. Every member of C is also a member of both A and B. C has 10 members. There are 4 members who are in both A and B and are not members of C. Total num-ber of members in the clubs A and B is 36. How many are members of exactly one of these clubs ?

Ergotamine tartarate extracted from Claviceps is used for cure of

Ergotamine tartrate extracted from Claviceps, is used for cure of