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Class 11MathematicsPermutations and CombinationsFundamental principle of countingExpert
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A box has (6) red, (5) blue, and (4) green balls. (5) balls are to be selected with all three colours present and more red balls than green balls. How many selections are possible?

Answer and explanation

Correct answer: (1000)

The valid colour distributions are only ((2,2,1)) and ((3,1,1)), where the first place is for red. For colour restrictions, list valid cases first.

Related tags

BallsColoursCombinationsFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq
सुधार सुझाएँ / Earn

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