Statements: a All coats are pants.
b No pant is a shirt.
c. Some shirts are vests.
Conclusions: I Some vests are shirts.
II Some coats are shirts.
III No coat is a shirt.
IV. Some vests are not coats.

Options

A. I , II and III follow
B. I and IV follow
C. I and III follow
D. I, III and IV follow

Answer

D

Explanation

(a) + (b) gives conclusion III [ `:.` A+E=E] (c) gives conclusion I on convesion. Conclusion IV [ `:.` A+E=O reversed]