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[" 2.A bag contains "3" white,"5" black ...

[" 2.A bag contains "3" white,"5" black and "2" red "],[" balls,all of the same shape and size.A ball "],[" is drawn from the bag without looking into it,"],[" find the probability that the ball drawn is : "],[" (i) a black ball."],[" (ii) a red ball."],[" (iii) a white ball."],[" (iv) not a red ball."],[" (v) not a black ball."]

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