Two balls are drawn at random from a bag containing 3 white, 3 red, 4 green and 4 black balls on... VIDEO
Two balls are drawn at random from a bag containing 3 white, 3 red, 4 green and 4 black balls one by one without replacement. Find the probability that both the balls are of different colours.https://bit.ly/YTAI_PWAP https://www.pw.live
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