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Subjects
Class 11MathematicsPermutations and CombinationsFundamental principle of countingMedium
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A photo app offers 6 filters, 5 frames, and 4 stickers. A sticker is optional, and at most one sticker can be used. How many different photo looks are possible?

Answer and explanation

Correct answer: 150 looks

There are 6 × 5 = 30 filter-and-frame combinations. For each combination, there are 5 sticker choices: use none or choose 1 of the 4 stickers. Therefore, 30 × 5 = 150 looks are possible.

Related tags

Counting PrincipleMultiplication RuleFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq
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