If $p$: The total prime numbers between $2$ to $100$ are $26$.
$q$: Zero is a complex number.
$r$: Least common multiple ($L$.$C$.$M$.) of $6$ and $7$ is $6$.
Then which of the following is correct?

  • A
    $(p \wedge q) \rightarrow r$ has truth value False.
  • B
    $(p$ $\rightarrow q)$ $\rightarrow r$ has truth value True.
  • C
    $(p \vee q) \leftrightarrow r$ has truth value False.
  • D
    $(p$ $\rightarrow q)$ $\rightarrow (q$ $\rightarrow p)$ has truth value True.

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$(p \wedge \sim q) \wedge (\sim p \vee q)$ is :-

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For the statement: "If a quadrilateral $ABCD$ is a rhombus,then its opposite sides are parallel",its contrapositive and converse are respectively given by:

Consider the statement patterns:
$A. (q \to p) \lor (p \to q)$
$B. (\sim p \lor \sim q) \leftrightarrow \sim (p \land q)$
$C. [(p \lor q) \land \sim p] \land \sim q$
$D. (p \land q) \land (\sim p \lor \sim q)$
Which of the following is true regarding these statement patterns?

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