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MHT CET Mathematics question

MathematicsProbabilityMHT CET

A bag has four pair of balls of four distinct colors. If four balls are picked at random (without replacement), the probability that there is atleast one pair among them have the same color is

Answer: (D)

Solution

Total ways to pick of balls . No pair of the same colour: pick one ball from each colour, Missing superscript or subscript argument{}^2C_1Missing superscript or subscript argument·{}^2C_1Missing superscript or subscript argument·{}^2C_1Missing superscript or subscript argument·{}^2C_1$ =

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Question ID VK-027680