Mathematical Logic And Boolean Algebra Question 136
Question: If p, q, r are simple propositions, then $ (p\wedge q)\wedge (q\wedge r) $ is true then
Options:
A) p, q, r are all false
B) p, q, r are all true
C) p, q are true and r is false
D) p is true and q and r are false
Show Answer
Answer:
Correct Answer: B
Solution:
$ (p\wedge q)\wedge (q\wedge r) $ is true means $ p\wedge q $ , $ q\wedge r $ are both true. Þ p, q, r are all true.
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