Statement: All successful people are disciplined. Ravi is disciplined. Conclusion: Ravi is successful. MCQ with Answer and Explanation

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Statement: All successful people are disciplined. Ravi is disciplined. Conclusion: Ravi is successful.

A. Conclusion does not follow

B. Conclusion follows

C. Data inadequate

D. Conclusion is definitely false

Answer: Option A

Solution (By JKSSB Mock Tests)

The statement is All S are D. From D(Ravi), we cannot conclude S(Ravi); this is the fallacy of the converse.

This question belongs to: Reasoning Logical Reasoning

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Question #1

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A is B's sister. C is B's mother. D is C's father. E is D's mother. How is A related to D?

A. Daughter

B. Grandfather

C. Grandmother

D. Granddaughter

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Correct Answer: Option D

Explanation:
D is father of C, C is mother of B and A. So A is granddaughter of D.

This question belongs to: Reasoning Logical Reasoning

Question #2

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Statement: All pens are blue. Some blue are red. Conclusions: I. Some pens are red. II. Some red are blue.

A. Both follow

B. Neither follows

C. Only I follows

D. Only II follows

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Correct Answer: Option D

Explanation:
Conversion of 'Some blue are red' gives 'Some red are blue'. I does not follow.

This question belongs to: Reasoning Logical Reasoning

Question #3

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70% people like coffee, 60% like tea, and 40% like both. What percentage likes neither?

A. 20%

B. 40%

C. 10%

D. 30%

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Correct Answer: Option C

Explanation:
At least one = 70+60−40=90%. Neither = 10%.

This question belongs to: Reasoning Logical Reasoning

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