Logical Deduction : Logical Reasoning(Reasoning Aptitude > Logical Reasoning ) Questions and answers for exam Preparation

Reasoning Aptitude > Logical Reasoning

LOGICAL DEDUCTION : LOGICAL REASONING MCQs

Logical Problems

Total Questions : 121 | Page 13 of 13 pages

Question 121. Fact 1: All chickens are birds.
Fact 2: Some chickens are hens.
Fact 3: Female birds lay eggs.
If the first three statements are facts, which of the following statements must also be a fact?
I: All birds lay eggs.
II: Some Hens are birds.
III: Some chickens are not hens.

I only
II only
II and III only
None of the statements is a known fact.

Discuss Question

Answer: Option C. -> II and III only
The first statement cannot be true because only female birds lay eggs. Statement II is true because some hens are chickens and all chickens are birds. Statement III is also true because if only some chickens are hens, then some must not be hens.