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A bucket contains 8red,3 blue and 5 gree...

A bucket contains 8red,3 blue and 5 green marbles .
If 2 marbles are drawn at random, what is the proabability that both are green ?

A

`(1)/(8)`

B

`(5)/(16)`

C

`(2)/(7)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
D
`n(S) =""^(16)C_(2)=(16xx15)/(1xx2)=120`
`n( E)=""^(5)C_(2) =(5xx4)/(1xx2)=10`
Required probabaility `=(10)/(120)=(1)/(12)`
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