UPSC CSE Prelims 1995 Q149 — Science & Technology PYQ

1995Q149·Science & Technology·Logical Reasoning & Puzzles

Which of the following can be inferred from the statement that “Either John is stupid or John is lazy”?

I. John is lazy / therefore, John is not stupid.

II. John is not lazy / therefore, John is stupid.

III. John is not stupid / therefore, John is lazy.

IV. John is stupid / therefore, John is not lazy.

Choose the correct answer from the codes given below:

UPSC CSE Prelims 1995 Q149 — Science & Technology PYQ with Answer

UPSC CSE Prelims 1995 Q149 — Science & Technology PYQ with Answer