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Consider the following three statements : P : 5 is a prime number Q : 7 is a factor of 192 R : L.C.M. of 5 and 7 is 35 Then the truth value of which one of the following statements is true ?

1. ) R (~ ) Q P ( ∨ ∧
2. ) R Q (~ P ∧ ∨
3. ) R Q (~ ) P (~ ∧ ∧
4. ) R Q ( ) P (~ ∧ ∨

Correct answer: ) R Q (~ P ∧ ∨

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