One/two statements (s) is/are given followed by two conclusions, I and II. You have to consider the statement(s) to be true, eve if it/they seems (s) to be at variance from commonly known facts. You have to decide which of the given conclusions. If any, follow(s) from the given statement(s).
Statements :
(a) All frogs are tortoises.
(b) No tortoise is a crocodile.
Conclusions :
I. No crocodile is a frog.
II. No frog is a crocodile.

Options

A. Only I follows
B. Only II follows
C. Both I and II follow
D. Neither I nor II follows

Answer

C

Explanation

First premise are Universal Affirmative (A-type).
Second Premise is Universal Negative (E-type).

`A + E rArr` E-type of Conclusion
"No frog is a crocodile".
This is Conclusion II.
Conclusion I is Converse of this Conclusion.