A bag contains 3 black and 4 white balls. Two balls are drawn one by one at random without replacement. The probability that the second drawn ball is white, is [MP PET 1995]

A bag contains 3 black and 4 white balls. Two balls are drawn one by o

1.	A bag contains 3 black and 4 white balls. Two balls are drawn one by one at random without replacement. The probability that the second drawn ball is white, is [MP PET 1995]
A.	\[\frac{4}{49}\]
B.	\[\frac{1}{7}\]
C.	\[\frac{4}{7}\]
D.	\[\frac{12}{49}\]
Answer» D. \[\frac{12}{49}\]

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A bag contains 3 black and 4 white balls. Two balls are drawn one by one at random without replacement. The probability that the second drawn ball is white, is [MP PET 1995]

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