← Back to quiz index

Mathematical Reasoning Quiz for Class XI

Class XI
Mathematics
Mathematical Reasoning
14 questions
HARD

Ready to take the quiz?

Test takers will enter name and email before starting.

Start quiz

Preview questions

1. Which of the following statements is a tautology?

p ∨ ¬p · p ∧ ¬p · p → q · p ↔ q

2. If p is true and q is false, what is the truth value of p → q?

True · False · Undefined · Cannot be determined

3. Which of the following is a contradiction?

p ∨ ¬p · p ∧ ¬p · p → q · ¬(p ∧ q) ↔ (¬p ∨ ¬q)

4. The negation of the statement 'All cats are black' is:

No cats are black · Some cats are not black · All cats are not black · Some cats are black

5. Which of the following represents a valid argument?

If p, then q; p; therefore, q · If p, then q; not q; therefore, not p · p; therefore, q · If p, then q; q; therefore, p