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Class 11MathematicsPermutations and CombinationsFundamental principle of countingExpert
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In a (3)-subject exam, a student chooses one of (2) difficulty levels for each subject and one of (4) sets for each subject. How many exam profiles are possible?

Answer and explanation

Correct answer: (2^3 \times 4^3=512)

Each subject has (2 \times 4) choices and there are (3) subjects. Use powers for repeated independent stages.

Related tags

CountingExamProfilesFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq
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