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GATE Civil Engineering (CE) 2011 Solved Paper

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Question : 13

Total: 65

There are two containers, with one containing 4 Red and 3 Green balls and the other containing 3 Blue and 4 Green balls. One ball is drawn at random from each container. The probability that one of the balls is Red and the other is Blue will be

1/7
9/49
12/49
3/7

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