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Question

There are 4 Rock songs, 5 Carnatic songs and 2 Indi pop songs. How many different albums can be formed using the above repertoire if the albums should contain at least 1 Rock song and 1 Carnatic song?


  1. None of these

  2. 110

  3. 100

  4. 90

  5. 130


Solution

The correct option is B

110


The number of different albums that can be made using the given condition is = 11C3 – 7C36C3 = 110

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