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Class 11 Mathematics Permutations and Combinations Fundamental principle of countingEasy

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A school app has 4 classes, 3 subjects, and 6 test types. In how many ways can one class, one subject, and one test type be chosen?

Answer and explanation

Correct answer: 72 ways

There are 4 choices for the class, 3 for the subject, and 6 for the test type. By the multiplication principle, the total is 4 × 3 × 6 = 72 ways.

Related tags

Fundamental Principle Of Counting Multiplication Principle Permutations And Combinations Mathematics Class 11 Mcq

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