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CBSE XI
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Math
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Permutations and Combinations
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Three balls are drawn from a bag containing 5 red,4 white and 3 black balls.The number of ways in which this can be done if at least 2 are red is
$\begin{array}{1 1}(A)\;60\\(B)\;70\\(C)\;80\\(D)\;90\end{array} $
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