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GATE 2023 BM – Question 6

General Aptitude · Analytical Aptitude: Logical Reasoning, Deduction and Analogy · 2 marks · Multiple choice

Forestland is a planet inhabited by different kinds of creatures. Among other creatures, it is populated by animals, all of whom are ferocious. There are also creatures that have claws, and some that do not. All creatures that have claws are ferocious. Based only on this information, which inference is logically valid?

  1. All creatures with claws are animals
  2. Some creatures with claws are not ferocious
  3. Some creatures that are not ferocious have claws
  4. Some creatures that are ferocious have claws

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Show answer and explanation

Correct answer: (D) Some creatures that are ferocious have claws

Explanation

The passage asserts the existence of clawed creatures and says every clawed creature is ferocious. Those existing clawed creatures therefore establish that some ferocious creatures have claws, D. It never states that every clawed creature is an animal. B and C contradict the universal clawed-implies-ferocious statement.

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