Statement: If you work hard, you will succeed in the examination. Conclusions: I. Hard work is a sufficient condition for success in the examination. II. Without hard work, one cannot succeed in the examination. Which conclusion(s) logically follow? MCQ with Answer and Explanation

Question

Statement:
If you work hard, you will succeed in the examination.
Conclusions:
I. Hard work is a sufficient condition for success in the examination.
II. Without hard work, one cannot succeed in the examination.
Which conclusion(s) logically follow?

A. Neither I nor II follows

B. Only conclusion II follows

C. Only conclusion I follows

D. Both I and II follow

Answer: Option C

Solution (By JKSSB Mock Tests)

The statement is an 'If A then B' proposition. It means hard work guarantees success (I follows). However, it does not state 'Only if you work hard', meaning there could be other ways to succeed (e.g., being naturally brilliant). Thus, II does not logically follow.

This question belongs to: Reasoning Statement and Conclusion

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Question #1

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Statement: This book is a bestseller. Conclusions: I. Many people have bought it. II. It is a quality book.

A. Neither I nor II follows

B. Only I follows

C. Both I and II follow

D. Only II follows

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Correct Answer: Option B

Explanation:
Bestseller implies high sales, so I follows. II is not necessarily true; bestsellers can be of poor quality.

This question belongs to: Reasoning Statement and Conclusion

Question #2

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Statements:
1. No dog is a cat.
2. All cats are lions.
Conclusions:
I. No dog is a lion.
II. Some lions are not dogs.
Which conclusion(s) logically follow?

A. Neither I nor II follows

B. Only conclusion I follows

C. Both I and II follow

D. Only conclusion II follows

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Correct Answer: Option D

Explanation:
All cats are lions, and no dog is a cat. This means dogs cannot enter the 'cat' portion of the 'lion' circle. Therefore, those lions which are cats are definitely not dogs (Conclusion II). However, dogs could still overlap with the non-cat portion of lions, so Conclusion I does not follow.

This question belongs to: Reasoning Statement and Conclusion