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Question: Answered & Verified by Expert
Which one of the following is a tautology?
MathematicsMathematical ReasoningJEE MainJEE Main 2020 (08 Jan Shift 1)
Options:
  • A ppqq
  • B qppq
  • C ppq
  • D ppq
Solution:
1841 Upvotes Verified Answer
The correct answer is: ppqq
p q pq ppq ppqq qppq pq ppq pq ppq
T T T T T T T T T T
T F F F T T F T T T
F T T F T F F F T F
F F T F T T F F F F

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