A bag contains 7 green and 8 white balls. If two balls are drawn simultaneously,

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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 -

Options:

A . $$\frac{{8}}{{15}}$$

B . $$\frac{{2}}{{5}}$$

C . $$\frac{{3}}{{5}}$$

D . $$\frac{{7}}{{15}}$$

Answer: Option D

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