There are 3 bags:
1st bag - 1 white,2 red,3 green balls.
2nd bag-2 white,3 red,1 green balls.
3rd bag-3 white,1 red, 2 green balls.
Two balls are drawn from bag chosen at random.These are found to be 1 white, 1 red.
FIND THE PROBABILITY that the balls so drawn is from the second bag?'