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A bag contains 5 red balls and 3 black m...

A bag contains 5 red balls and 3 black marbles. Three balls are drawn one by one without replacement. The probability that exactly two of the three balls were red, the first ball being red, is ………

A

`(1)/(3)`

B

`(4)/(7)`

C

`(15)/(28)`

D

`(10)/(28)`

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The correct Answer is:
B
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