There are 5 white and 5 black balls marked 1, 2, ....5. In how man | Filo
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Class 11



Permutations and Combinations

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There are white and black balls marked . In how many ways can these balls be arranged in a row so that balls of different colours are alternate?

  1. 28800
Correct Answer: Option(a)
Solution: white and black balls are there

For the ball to be alternate in colors possibilities are

So a number of ways are
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