UPSC Prelims 2023 · CSAT (Paper 2) · Q78

Logical Reasoning & Analytical Ability

Hard · Propositional logic

Let A, B, C, D and E be five statements such that:

I. If A is true, then both B and C are true.

II. If C and D are true, then E is false.

Which of the following can be concluded?

1. If E is true, then at least one of A and D must be false.

2. If B is true, then A is true.

Select the correct answer using the code given below: