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[" 35.A box contains "10" black and "10"...

[" 35.A box contains "10" black and "10" white balls.What "],[" is the probability of drawing "2" balls of the same "],[" colour? "],[[" (a) "(9)/(19)," (b) "(9)/(38)],[" (c) "(10)/(19)," (d) "(5)/(19)],[" (e) None of these "]]

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