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A jar contains only red marbles and whit...

A jar contains only red marbles and white marbles, If the probability of selecting a red marble is `r/y`, which of the following expressions gives the probability of selecting a white marble , in terms of r and y?

A

`(r-y)/y`

B

`(y-r)/y`

C

`r/y`

D

`y/r`

Text Solution

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The correct Answer is:
B
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