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02-04-2020
Mathematics

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A bag contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the bag, if at least one black ball is to be included in the draw?

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unclegrampa1232 unclegrampa1232

02-04-2020

Answer: 96

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n increased by 7 is 44