Statements: Some papers are books. All books are files. Conclusions: I. Some files are papers. II. All papers are files. MCQ with Answer and Explanation

Statements: Some papers are books. All books are files. Conclusions: I. Some files are papers. II. All papers are files.
A. Neither follows
B. Only I follows
C. Only II follows
D. Both follow
Answer: Option B
Solution (By JKSSB Mock Tests)
Some papers are books and all books are files ⇒ Some papers are files ⇒ Some files are papers. All papers are files does not follow. Only I.

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Practice More Mental Reasoning Questions

Question #1
Statements: All pens are pencils. Some pencils are erasers. Conclusions: I. Some pens are erasers. II. All pencils are pens. III. Some erasers are pencils. Which conclusion follows?
A. Only III
B. Both I and II
C. None
D. Only I

Correct Answer: Option A


Explanation:
From 'Some pencils are erasers' we can convert it to 'Some erasers are pencils'. Conclusion I does not follow because pens may be among pencils that are not erasers.

This question belongs to: Reasoning Mental Reasoning
Question #2
Find the odd one out: 3, 5, 11, 14, 17, 21
A. 14
B. 3
C. 21
D. 17

Correct Answer: Option A


Explanation:
All numbers except 14 are prime numbers. 14 is composite. Hence 14 is the odd one out.

This question belongs to: Reasoning Mental Reasoning
Question #3
Find the odd one out: 5, 10, 15, 20, 26
A. 26
B. 5
C. 20
D. 15

Correct Answer: Option A


Explanation:
All others are multiples of 5; 26 is not divisible by 5.

This question belongs to: Reasoning Mental Reasoning