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Subjects
Class 11MathematicsPermutations and CombinationsFundamental principle of countingHard
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An exam paper code has (2) media, (7) subjects, (4) sets, and (3) versions. In Mathematics only (2) versions are available, while the other subjects have (3). How many codes are possible?

Answer and explanation

Correct answer: (160)

Subject-set-version choices are (1\times4\times2+6\times4\times3=80), then there are (2) media choices. Treat the exceptional subject separately.

Related tags

Permutations-And-CombinationsFundamental-PrincipleCountingHardFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq
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