Statements: Some drops are cops.
All cops are docks.
No dock is a flop
Conclusions: I Some drops are not flops.
II Some docks are drops
III No cop is a flop.
IV. Some flops are not cops.

Options

A. I , II and III follow
B. II, III and IV follow
C. I, II and IV follow
D. None of these

Answer

D

Explanation

Some drops are cops +All cops are docks =I+A=I Some drops are docks `. to` on converion `to` Some docks are drops. Hence, II follows. Some drops are docks + No dock is a flop 1+E=O = Some drops are not flops. Hence, 1 follows. Again. All cops are docks + No dock is a flop =A+E=E=No cop is a flop. Hence, II follows. Finally, No cop is a flop `to` (obviously) `to` Some flops are not cops. Hence, IV also follows.