Statement: He is the eldest son. Conclusions: I. He has younger siblings. II. His parents have only one son. MCQ with Answer and Explanation

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Statement: He is the eldest son. Conclusions: I. He has younger siblings. II. His parents have only one son.

A. Only II follows

B. Only I follows

C. Both I and II follow

D. Neither I nor II follows

Answer: Option B

Solution (By JKExamLibrary)

Eldest son implies there are other children (younger), so I follows. Only one son is false if he is eldest among sons. So II does not follow.

This question belongs to: Reasoning Statement and Conclusion

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Question #1

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Statement: The clock shows 12:00. Conclusions: I. It is midnight. II. It is noon.

A. Both I and II follow

B. Only I follows

C. Only II follows

D. Neither I nor II follows

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Correct Answer: Option D

Explanation:
12:00 can be noon or midnight; we cannot determine which, so neither follows.

This question belongs to: Reasoning Statement and Conclusion

Question #2

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Statement: He is a strict vegetarian; he doesn't even eat eggs. Conclusions: I. He avoids all animal products. II. He will not eat a cake that contains egg.

A. Only I follows

B. Neither I nor II follows

C. Only II follows

D. Both I and II follow

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Correct Answer: Option D

Explanation:
The additional information 'doesn't even eat eggs' implies he is pure vegetarian, so I follows (eggs are animal product). II: if cake contains egg, he won't eat it. Both follow.

This question belongs to: Reasoning Statement and Conclusion