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Subjects
Class 11MathematicsPermutations and CombinationsCombinationsHard
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From (11) colors (5) colors are to be selected with one fixed color included and another fixed color excluded. How many ways are there?

Answer and explanation

Correct answer: (126)

One color is fixed and one is removed so choose the remaining (4) colors from (9). The ways are (\binom{9}{4}=126).

Related tags

CombinationsClass11HardPermutations And CombinationsMathematicsClass 11 Mcq
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