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An run contains 9 red and 5 white balls....

An run contains 9 red and 5 white balls. Three balls are drawn at random. Then the probability that balls of both colours are drawn is

A

`(40)/(143)`

B

`(70)/(143)`

C

`(3)/(13)`

D

`(10)/(13)`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2012-MULTIPLE CHOICE QUESTIONS
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  19. Maximum value of the function f(x)=(x)/(8)+(2)/(x) on the interval [1...

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