A bag contains 4 green , 6 black, and 7 ...

A bag contains 4 green , 6 black, and 7 white balls. A ball is drawn at random. The probability that it is either a black ball or a white ball is

A

`13//17`

B

`5//7`

C

`1//8`

D

`3//4`

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Verified by Experts

The correct Answer is:

A

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