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Subjects
Class 11MathematicsPermutations and CombinationsFundamental principle of countingMedium
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A bus has 3 classes, 6 seat rows in each class, and 4 seats in each row. How many different class-row-seat choices are possible for one ticket?

Answer and explanation

Correct answer: 72 ways

For each choice, select a class, then a row in that class, then a seat in that row. The number of choices is 3 × 6 × 4 = 72.

Related tags

Permutations And CombinationsFundamental Principle Of CountingMathematicsClass 11 Mcq
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