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A shopkeeper sells three varieties of pe...

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 row in his showcase. The number of different ways of displaying the three varieties of perfumes in the showcase is:

A

6

B

50

C

150

D

none of these

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-PERMUTATIONS AND COMBINATIONS-Exercise
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  13. Out of 10 consonants four vowels, the number of words that can be form...

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  18. There are n seats round a table numbered 1,2, 3,..., n. The number of...

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