Question

Soli likes either logic or biology. If Soli likes logic, then he is not a happy person. Neither Soli nor Rupinder likes biology. Which among the following can be concluded from the premises given here?

• A. Soli is not a happy person.
• B. Rupinder is not a happy person.
• C. Rupinder is a happy person.
• D. Soli likes logic.

Hint:

Always reduce logical problems step by step: eliminate impossible options, then apply conditional rules.

Answer 1

The Correct Option is A, D

Premises:
1. Soli likes either logic or biology.
2. If Soli likes logic, then he is not happy.
3. Neither Soli nor Rupinder likes biology. → So Soli cannot like biology.

Step 1: Apply premise (3)
Since Soli cannot like biology, the only option left is that Soli likes logic.

Step 2: Apply premise (2)
If Soli likes logic, then he is not happy. Therefore, Soli is not a happy person.

Step 3: Check options
(A) Soli is not a happy person → True.
(B) Rupinder is not a happy person → No information given.
(C) Rupinder is a happy person → No information given.
(D) Soli likes logic → True.
Thus, the correct conclusions are (A) and (D). \[ \boxed{\text{Correct Answer: (A) and (D)}} \]