Home / Analytical Reasoning / Question
MCQ
If P or Q is true, and both P and Q are false, then:
Analytical Reasoning
A P or Q is true
B P or Q is false
C Contradiction
D Cannot determine
Explanation

If both P and Q are false, then P or Q must be false.

Related MCQs

If A or B is true, and A is true, then:
Analytical Reasoning View
If A∧B→C, A∧C→B, B∧C→A, A is true, and C is false, then:
Analytical Reasoning View
Some students study abroad. All who study abroad learn new cultures. All who learn new cultures are open-minded. Therefore:
Analytical Reasoning View
If P→Q, Q→R, R→S, S→T, and T is true, then:
Analytical Reasoning View
If P→Q, Q→R, R→S, S→T, T→U, and U is false, then:
Analytical Reasoning View
Some fruits are citrus. All citrus contains vitamin C. No vitamin C source is harmful. Therefore:
Analytical Reasoning View