Answer : 3 4/9 Explanation : Answer: C) 4/9 Explanation: Number of white marbles = 4Number of Black marbles = 5Total number of marbles = 9Number of ways, two marbles picked randomly = 9C2Now, the required probability of picked marbles are to be of same color = 4C2/9C2 5C2/9C2= 1/6 5/18= 4/9.

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