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Class 11MathematicsPermutations and CombinationsFundamental principle of countingExpert
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In course registration, a student chooses (1) of (3) core subjects, (2) of (4) elective subjects with order, and (1) of (2) clubs. How many registrations are possible?

Answer and explanation

Correct answer: (72)

There are (3) choices for the core subject, (4\times3) ordered choices for electives, and (2) choices for the club. The total is (3\times4\times3\times2=72).

Related tags

PermutationsCombinationsCounting PrincipleClass 11ExpertFundamental Principle Of CountingPermutations And CombinationsMathematics
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