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Subjects
Class 11MathematicsPermutations and CombinationsFundamental principle of countingEasy
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A library has 8 shelves, and each shelf has 4 rows. How many ways are there to choose one shelf and then one row on that shelf?

Answer and explanation

Correct answer: 32 ways

There are 8 choices for the shelf and 4 choices for a row on the selected shelf. By the multiplication principle, 8 × 4 = 32 ways.

Related tags

Fundamental Principle Of CountingMultiplication PrinciplePermutations And CombinationsMathematicsClass 11 Mcq
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