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Subjects
Class 11MathematicsPermutations and CombinationsFundamental principle of countingExpert
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A student must choose one notebook for each of (3) different subjects. There are (5), (4), and (6) choices for the subjects respectively. The student also chooses (1) pen from (2) pens. How many study kits are possible?

Answer and explanation

Correct answer: (5 \times 4 \times 6 \times 2=240)

Every item is compulsory and independent, so all choices are multiplied. For complete kits, do not add choices.

Related tags

CountingKitsIndependent-ChoiceFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq
सुधार सुझाएँ / Earn

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