Which of the following statements are contradictory to each other?

1.All objects are perishable

2.Some objects are not perishable

3.Some objects are perishable

4.No objects are perishable

A1 & 4 only

B2 & 4 only

C3 & 4 only ✓ Correct

D1 & 3 only

Correct answer: (C) 3 & 4 only

Explanation

Statement 3 and Statement 4 form the contradictory pair here.

Statement 3 is the particular affirmative I, Some objects are perishable.

Statement 4 is the universal negative E, No objects are perishable.

On the square I and E are diagonal contradictories with opposite truth values.

They can neither be true together nor false together.

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