For any three simple statements $p, q, r$,the statement $(p \wedge q) \vee (q \wedge r)$ is true if and only if:

  • A
    $p$ and $r$ are true and $q$ is false.
  • B
    $p$ and $r$ are false and $q$ is true.
  • C
    $p, q, r$ are all false.
  • D
    $q$ and $r$ are true and $p$ is false.

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Similar Questions

Given below are two pairs of statements. Combine these two statements using "if and only if".
$p:$ If the sum of digits of a number is divisible by $3,$ then the number is divisible by $3.$
$q:$ If a number is divisible by $3,$ then the sum of its digits is divisible by $3.$

The statement $p$ $\rightarrow (q$ $\rightarrow p)$ is equivalent to

The correct simplified circuit diagram for the logical statement $[\{q \wedge (\sim q \vee r)\} \wedge \{\sim p \vee (p \wedge \sim r)\}] \vee (p \wedge r)$ where $p, q, r$ represent switches $S_1, S_2, S_3$ respectively.

Which of the following is not a statement?

The statement $[(p \wedge q)$ $\rightarrow p]$ $\rightarrow (q \wedge \sim q)$ is

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