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There are 6n flowers of one type and 3 flowers of second type, total no. Of garlands possible?
permutationandcombination
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Apr 2
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Combinatory
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Manoj Kumar Pandey
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Suppose 6 red color flowers and 3 blue color flowers. Fix blue color flowers first and then arrange 6 red color flowers. possible way of arrangement of red color flowers is C(6 + 3  1, 3  1) which is 28.
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Oct 11
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