Statements: Some dogs are cats. All cats are rats. Conclusions: I. Some rats are dogs. II. All dogs are rats. MCQ with Answer and Explanation

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

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Practice More Mental Reasoning Questions

Question #1
If 'A × B' means A is to the south of B; 'A + B' means A is to the north of B; 'A $ B' means A is to the east of B; 'A % B' means A is to the west of B; then in P % Q + R $ S, S is in which direction with respect to Q?
A. North-East
B. North-West
C. South-East
D. South-West

Correct Answer: Option C


Explanation:
P is west of Q. Q is north of R. R is east of S. So S is west of R, R is south of Q, so S is south-west of Q? From Q south to R, then west to S, so S is South-West of Q. Option A.

This question belongs to: Reasoning Mental Reasoning
Question #2
Find the missing term: 1, 6, 15, 28, 45, ?
A. 64
B. 62
C. 66
D. 68

Correct Answer: Option C


Explanation:
Differences are +5, +9, +13, +17, which increase by 4; next difference is +21, so 45+21=66.

This question belongs to: Reasoning Mental Reasoning
Question #3
Statements: No flower is a tree. All trees are plants. Conclusions: I. No flower is a plant. II. Some plants are trees.
A. Both follow
B. Neither follows
C. Only II follows
D. Only I follows

Correct Answer: Option C


Explanation:
No flower is tree and all trees are plants does not imply no flower is plant. Some plants are trees follows. Only II.

This question belongs to: Reasoning Mental Reasoning