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A bag contains 8 balls of two colours, r...

A bag contains 8 balls of two colours, red and green. 3 balls are taken out at random. The probability of getting more red balls than green is`40/56` and that of getting more green balls than red is` 16/56`. What is the number of green balls in the bag?

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A DAS GUPTA-Elementary Probability-Exercise
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  11. A box contains 2 black, 4 white, and 3 red balls. One ball is drawn at...

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