Question
A bag contains 7 green and 8 white balls. If two balls are drawn simultaneously, the probability that both are of the same colour is -.
Answer: Option E
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Drawing two balls of same color from seven green balls can be done in â·Câ‚‚ ways.Similarly from eight white balls two can be drawn in â¸Câ‚‚ ways.P = â·Câ‚‚/¹âµCâ‚‚ + â¸Câ‚‚/¹âµCâ‚‚ = 7/15
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