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Class 11MathematicsPermutations and CombinationsCombinationsExpert
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From (5) red, (4) blue, and (3) green balls, (4) balls are chosen with at least one ball of each color. How many selections are possible?

Answer and explanation

Correct answer: (270)

The three cases of color distribution (2,1,1) add up to (270). When capacities are limited, keep the cases by color separate.

Related tags

Class11CombinationsBallsColor-CasesExpertPermutations And CombinationsMathematicsClass 11 Mcq
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