Q 2316180970.     An um contains one black ball
and one green ball. A second um contains one white and one
green ball. One ball is drawn at random from each urn.

What is the probability of getting atleast one green
ball?

NDA 2012 Paper 1 September
A

`1/2`

B

`1/3`

C

`1/4`

D

`3/4`

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