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A basket contains 20 apples and 10 orang...

A basket contains 20 apples and 10 oranges out of which 5 apples and 3 oranges are defective. If a person takes out 2 at random what is the probability that either are apples or both are good ?

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The correct Answer is:
`= 190/435 + 231/435 - 105/435 = (190 + 231 - 105)/(435) = 316/435`
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