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From a lot containing n good and m bad a...

From a lot containing n good and m bad articles, if 2 articles are picked are picked at random in succession without replacment,then the probability that the second article picked is bad is

A

`(m)/(m+n)`

B

`(m-1)/(m+n)`

C

`((n-1)(m-1))/(m+n)^(2)`

D

`(mn)/(m+n)^(2)`

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The correct Answer is:
A
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