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A bag contains 8 red and 7 black balls. ...

A bag contains 8 red and 7 black balls. Two balls are drawn at random. The probability that both the balls are of the same colour is :

A

`(1)/(2)`

B

`(3)/(10)`

C

`(2)/(5)`

D

`(3)/(5)`

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The correct Answer is:
D
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