Bag A contains 4 green and 3 red balls and bag B contains 4 red and 3 green balls. One bag is taken at random and a ball is drawn and noted it is green. The probability that it comes bag B [DCE 2005]

Bag A contains 4 green and 3 red balls and bag B contains 4 red and 3

1.	Bag A contains 4 green and 3 red balls and bag B contains 4 red and 3 green balls. One bag is taken at random and a ball is drawn and noted it is green. The probability that it comes bag B [DCE 2005]
A.	\[\frac{2}{7}\]
B.	\[\frac{2}{3}\]
C.	\[\frac{3}{7}\]
D.	\[\frac{1}{3}\]
Answer» D. \[\frac{1}{3}\]

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Bag A contains 4 green and 3 red balls and bag B contains 4 red and 3 green balls. One bag is taken at random and a ball is drawn and noted it is green. The probability that it comes bag B [DCE 2005]

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