Statements: a Some books are bulbs.
b All biscuits are pens.
c. No bulb is a biscuit.
Conclusions: I Some books are not biscuits.
Some bulbs are not pens.
III Some books are not pens.
IV Some pens are not bulbs.

Options

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

Answer

A

Explanation

(a)+(c)+ gives I [ `:.` I+E=O] (c)+(b) gives IV [ `:.` E+A=O reversed] No other conclusion is possible.