The GATE Grind

GATE 2023 CE (CE1) – Question 6

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

Based only on the truth of the statement 'Some humans are intelligent', which one of the following options can be logically inferred with certainty?

  1. No human is intelligent.
  2. All humans are intelligent.
  3. Some non-humans are intelligent.
  4. Some intelligent beings are humans.

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Show answer and explanation

Correct answer: (D) Some intelligent beings are humans.

Explanation

"Some humans are intelligent" means that there is at least one being who is both human and intelligent, so some intelligent beings are humans. The statement says nothing about all humans or about non-humans.