Statements: All dogs are mammals. No mammal is a bird. Conclusions: I. No dog is a bird. II. Some birds are not dogs. III. All mammals are dogs. Which conclusions follow? MCQ with Answer and Explanation

Statements: All dogs are mammals. No mammal is a bird. Conclusions: I. No dog is a bird. II. Some birds are not dogs. III. All mammals are dogs. Which conclusions follow?
A. None
B. Only II
C. Only I and II
D. Only I
Answer: Option C
Solution (By JKSSB Mock Tests)
Since all dogs are mammals and no mammal is a bird, no dog is a bird follows. Also, since no dog is a bird, some birds are not dogs follows.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Mental Reasoning Questions

Question #1
Find the odd one out: Apple, Mango, Banana, Carrot, Orange
A. Carrot
B. Mango
C. Banana
D. Apple

Correct Answer: Option A


Explanation:
All others are fruits while Carrot is a vegetable.

This question belongs to: Reasoning Mental Reasoning
Question #2
If P denotes ÷, Q denotes ×, R denotes + and S denotes −, then 18 Q 12 P 4 R 5 S 6 = ?
A. 65
B. 63
C. 53
D. 59

Correct Answer: Option C


Explanation:
18 × 12 ÷ 4 + 5 − 6 = 18 × 3 + 5 − 6 = 54 + 5 − 6 = 53.

This question belongs to: Reasoning Mental Reasoning
Question #3
Find the missing term: 240, 120, 60, 30, ?
A. 10
B. 5
C. 20
D. 15

Correct Answer: Option D


Explanation:
Each term is divided by 2: 30÷2=15.

This question belongs to: Reasoning Mental Reasoning