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Question

If p and q are simple statements, pq is true when


  1. p is true and q is true

  2. Both p and q are false

  3. p is false and q is true

  4. none of these


Solution

The correct option is C

p is false and q is true


pq is true only when both p and q are true or both p and q are false.
Hence, p q is true only when p is true and  q is true or p is false and  q is false.
p is false and q is true or p is true and q is false.

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