\textbf{125-} The truth value of $p \Rightarrow (q \vee r)$ is true. The probability that the truth value of $r$ is false is which of the following?
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(1) $\dfrac{3}{7}$ \hfill (2) $\dfrac{1}{2}$ \hfill (3) $\dfrac{4}{7}$ \hfill (4) $\dfrac{2}{3}$
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