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A box contains 2 blue, 3 green and 5 red...

A box contains 2 blue, 3 green and 5 red balls . If three balls are drawn at random , what is the probability that all balls are different in color ?

A

`(3)/(10)`

B

`(1)/(4)`

C

`(3)/(7)`

D

`(4)/(11)`

Text Solution

Verified by Experts

The correct Answer is:
B

Total balls = 10
so probability `=(""^(2)C_(1)xx""^(3)C_(1)xx""^(5)C_(1))/(""^(10)C_(3))=(1)/(4)`
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