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In a shooting test the probability of A,...

In a shooting test the probability of A,B,C hitting the targets are `(1)/(2),(2)/(3)and(3)/(4)` are respectively. If all of them first at the same target. Find the probability that
i) Only one of them hits the target,
ii) atleast one of them hits the target.

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The correct Answer is:
`(i) (1)/(4)`
`(ii) (23)/(24)`
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