Statements: No book is a pen. All pens are pencils. Conclusions: I. No book is a pencil. II. Some pencils are pens. MCQ with Answer and Explanation

Statements: No book is a pen. All pens are pencils. Conclusions: I. No book is a pencil. II. Some pencils are pens.
A. Both follow
B. Only I follows
C. Only II follows
D. Neither follows
Answer: Option C
Solution (By JKSSB Mock Tests)
No book is pen and all pens are pencils does not mean no book is pencil (pencils may include other things). Some pencils are pens follows by conversion. Only II.

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Practice More Mental Reasoning Questions

Question #1
At what time between 4 and 5 o'clock will the hands of a clock coincide?
A. 4:21 9/11 min
B. 4:22
C. 4:18
D. 4:20

Correct Answer: Option A


Explanation:
Minute hand time = (60/55) × 20 = 240/11 = 21 9/11 minutes past 4.

This question belongs to: Reasoning Mental Reasoning
Question #2
Find the missing term: 10, 20, 40, 70, 110, ?
A. 160
B. 140
C. 150
D. 170

Correct Answer: Option A


Explanation:
Differences are +10, +20, +30, +40, so next difference is +50: 110+50=160.

This question belongs to: Reasoning Mental Reasoning
Question #3
A is brother of B. C is father of A. D is mother of C. How is D related to B?
A. Grandmother
B. Aunt
C. Sister
D. Mother

Correct Answer: Option A


Explanation:
C is B's father, and D is C's mother. Therefore D is B's grandmother.

This question belongs to: Reasoning Mental Reasoning