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JEE MATHEMATICS MCQ: COMBINATIONS

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A shopkeeper sells three varieties of perfumes and he has a large number of bottles of the same size of each variety in his stock. There are 5 places in a row in his showcase. The number of different ways of displaying the three varieties of perfumes in the show case is

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Correct option: C

150

Option C (150) is correct because it accounts for arranging the three perfume varieties in the showcase, considering both cases: three of one type and two distinct, and two of one type, two of another, and one of the remaining.

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n