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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 ?

Text Solution

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

  • 4 mangoes and 3 apples are in a box. If two fruits are drawn at random the probability that both are of the same variety is:

    A
    `(3)/(7)`
    B
    `(4)/(7)`
    C
    `(6)/(7)`
    D
    none of these
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