Statement: All pens are blue. Some blue are red. Conclusions: I. Some pens are red. II. Some red are blue. MCQ with Answer and Explanation

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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. Only I follows

B. Only II follows

C. Both follow

D. Neither follows

Answer: Option B

Solution (By JKSSB Mock Tests)

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

This question belongs to: Reasoning Logical Reasoning

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Question #1

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Statement: Unless you work hard, you will fail. Conclusion: If you did not fail, you worked hard.

A. Conclusion is false

B. Cannot be determined

C. Conclusion follows

D. Conclusion does not follow

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Correct Answer: Option C

Explanation:
'Unless P, Q' means 'If not P, then Q'. Its contrapositive is 'If not Q, then P'. Hence, if you did not fail, you worked hard.

This question belongs to: Reasoning Logical Reasoning

Question #2

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Find the next term: 8, 17, 36, 75, ?

A. 155

B. 157

C. 156

D. 154

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Correct Answer: Option D

Explanation:
8×2+1=17, 17×2+2=36, 36×2+3=75, 75×2+4=154.

This question belongs to: Reasoning Logical Reasoning

Question #3

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Find the next term: AB, DE, HI, MN, ?

A. RS

B. TU

C. ST

D. QR

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Correct Answer: Option C

Explanation:
Gaps between pair starting letters increase: A,D,H,M,S; differences +3,+4,+5,+6. Next pair starts at S, so ST.

This question belongs to: Reasoning Logical Reasoning

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