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A box contains 3 balck and 4 red balls. ...

A box contains 3 balck and 4 red balls. Another box contains 2 black and 3 red balls, Balls are taken from these boxes, mixed and kept in a third box. Now two balls are chosen from the third box at random. What is the probability that one of them is black and the other red?

A

`5/(48)`

B

`(35)/(66)`

C

`(35)/(144)`

D

`(5)/(66)`

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