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A bag has bottles in 5 colors and boxes in 2 sizes. In how many ways can one bottle and one box be chosen?

Answer and explanation

Correct answer: 10 ways

Apply the multiplication principle because the required outcome contains one choice from each of two categories. There are 5 possible bottle colors. After selecting any one bottle color, there are 2 possible box sizes, so every bottle choice can be paired with both box choices. The total number of bottle-box pairs is therefore 5 × 2 = 10, making option C correct. The value 7 comes from adding 5 and 2, which would count alternatives rather than complete selections. The value 25 incorrectly squares the first number, and 12 is not produced by the stated independent choices. Since the wording requires both one bottle and one box, multiplication is the appropriate operation.

Related tags

Fundamental-Principle-Of-CountingMultiplication-PrincipleProduct-RuleFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq

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