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From a bag containing 4 white balls and ...

From a bag containing 4 white balls and 5 black balls a person draws 3 balls at random. The odds in favour of these 3 balls being black are

A

`3 : 5`

B

`3 : 9`

C

`37 : 5`

D

`5 : 37`

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The correct Answer is:
C
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