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. Only II follows
B. Only I follows
C. Neither 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
Find the missing number: 4, 9, 16, 25, 36, ?
A. 47
B. 49
C. 50
D. 48

Correct Answer: Option B


Explanation:
Squares of consecutive numbers: 2²,3²,4²,5²,6²,7²=49.

This question belongs to: Reasoning Mental Reasoning
Question #2
A clock shows 8:20. What is the angle between its hands?
A. 130°
B. 140°
C. 110°
D. 120°

Correct Answer: Option A


Explanation:
Hour hand = 8×30 + 20×0.5 = 250°, minute hand = 120°, difference = 130°.

This question belongs to: Reasoning Mental Reasoning
Question #3
Find the missing number: 1, 4, 27, 256, ?
A. 3125
B. 1250
C. 4096
D. 1024

Correct Answer: Option A


Explanation:
The pattern is 1^1, 2^2, 3^3, 4^4. Next term = 5^5 = 3125.

This question belongs to: Reasoning Mental Reasoning