Statements: Some books are novels. All novels are magazines. Conclusions: I. Some books are magazines. II. All magazines are novels. MCQ with Answer and Explanation

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

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Practice More Mental Reasoning Questions

Question #1
In a certain code language, 'pit na sa' means 'you are welcome', 'na ho pa la' means 'they are very good' and 'ka da la' means 'who is good'. Which of the following means 'very' in that code language?
A. Cannot be determined
B. na
C. pa
D. ho

Correct Answer: Option A


Explanation:
From second and third, 'la' = good. From first and second, 'na' = are. Remaining in second 'ho pa' = they very. Cannot determine which is very.

This question belongs to: Reasoning Mental Reasoning
Question #2
Find the missing term: 6, 9, 15, 21, 33, ?
A. 51
B. 42
C. 39
D. 45

Correct Answer: Option C


Explanation:
These are products of 3 and consecutive primes: 2×3=6, 3×3=9, 5×3=15, 7×3=21, 11×3=33, so next is 13×3=39.

This question belongs to: Reasoning Mental Reasoning
Question #3
Find the missing number in the series: 2, 7, 24, 77, ?, 783
A. 246
B. 250
C. 254
D. 238

Correct Answer: Option D


Explanation:
Pattern: 2×3+1=7, 7×3+3=24, 24×3+5=77, 77×3+7=238, 238×3+9=783. The added numbers are consecutive odd numbers.

This question belongs to: Reasoning Mental Reasoning