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Two balls are drawn at random from a bag containing 2 white, 3 red. 5 green and 4 black balls, one by one without, replacement. Find the probabilitythat both the balls are of different colours. |
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Answer» Two balls are drawn at random from a bag containing 2 white, 3 red. 5 green and 4 black balls, one by one without, replacement. Find the probabilitythat both the balls are of different colours. |
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