Statements: All locks are keys. No key is a door. Conclusions: I. No lock is a door. II. Some doors are locks. MCQ with Answer and Explanation

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Statements: All locks are keys. No key is a door. Conclusions: I. No lock is a door. II. Some doors are locks.

A. Only II follows

B. Both follow

C. Only I follows

D. Neither follows

Answer: Option C

Solution (By JKSSB Mock Tests)

All locks keys + no key door → no lock is door. II does not follow.

This question belongs to: Reasoning Logical Reasoning

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Practice More Logical Reasoning Questions

Question #1

If 'NIGHT' is coded as 'OJHIU', then 'DAY' is coded as ?

A. EBZ

B. ECZ

C. EBY

D. EAY

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Correct Answer: Option A

Explanation:
Each letter is shifted one place forward: D→E, A→B, Y→Z = EBZ.

This question belongs to: Reasoning Logical Reasoning

Question #2

If 'BOOK' is coded as 'CPPL', then 'NOTE' is coded as ?

A. OPUF

B. OQVF

C. NQTE

D. OPVE

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Correct Answer: Option A

Explanation:
Each letter is shifted one place forward: N→O, O→P, T→U, E→F = OPUF.

This question belongs to: Reasoning Logical Reasoning

Question #3

If the word 'EXAMINATION' is arranged in alphabetical order, which letter will be in the middle?

A. N

B. M

C. I

D. A

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Correct Answer: Option A

Explanation:
EXAMINATION letters: A A E I I M N N O T X. Sorted: A A E I I M N N O T X. Middle (6th of 11) is M. Option B.

This question belongs to: Reasoning Logical Reasoning

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