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A bag contains 3 rd and 7bhlack balls. T...

A bag contains 3 rd and 7bhlack balls. Two balls are selected at random one by one without replacement. If the second ball happens to be red, what is the probability that the first selected ball is also red?

A

`9/100`

B

`4/9`

C

`2/9`

D

`3/100`

Text Solution

Verified by Experts

The correct Answer is:
C
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