A bag contains 5 black balls 4 white bal...

A bag contains 5 black balls 4 white balls and 3 red balls. If a ball is selected at random the probability that it is a black or a red ball is

A

`1//3`

B

`1//4`

C

`5//12`

D

`2//3`

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The correct Answer is:

D

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AAKASH SERIES-PROBABILITY-Exercise-I

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