Three distinct number are selected at random from \( \mathrm{P} \) ...

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Three distinct number are selected at random from
\( \mathrm{P} \) the set \( A=\{1,2, \ldots .10\} \). Find the probability that

W the product of two of the numbers is equal to the third.
(1) \( \frac{5}{3} \)
(2) \( \frac{1}{40} \)
(3) \( \frac{2}{30} \)
(4) \( \frac{1}{5} \)
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