JEE Main Mathematics question
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 places in a row in his showcase. The number of different ways of displaying the three varieties of perfumes in the show case is
Answer: (C)
Solution
Each of the places holds a bottle of one of varieties, and all three varieties must be displayed. That is the number of
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