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. A bag contains 40 balls of four different colours. Out of these 10 are red, 9 are black and therest are blue or green. The probability that a ball picked at random is blue is . Find the probability that a ball picked a random is green in colour. |
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Answer» Answer: bag contains 40 balls of FOUR different colours. Out of these 10 are red, 9 are black and the rest are blue or green. The PROBABILITY that a ball picked at RANDOM is blue is . Find the probability that a ball picked a random is green in colour. |
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