Question

The question given below consists of 5 or 6 statements followed by options consisting of 3 statements put together in a specific order. Choose the option which indicates a valid argument containing logically related statements that is, where the third statement is a conclusion drawn from the preceding two statements.

A. All balls are locks.
B. All keys are locks.
C. All keys are balls.
D. Some keys are locks.
E. Some locks are balls.
F. No balls is lock.

• A. A C B
• B. B E F
• C. C D B
• D. C E F

Answer 1

The correct option is A A C B

From Option A:

All balls are locks, All keys are balls.

Hence all keys are locks is the correct explanation.

For Option B;

All keys are locks, Some locks are balls.

No ball is lock is incorrect explanation.

For Option C;

All keys are balls, Some keys are locks.

All keys are lock is incorrect explanation.

For Option D;

All keys are Balls, Some locks are balls.

No ball is lock is incorrect explanation.

Hence, Option A is correct.