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7. Permutations and Combinations
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Q61 of 64 Page 122

Five boys and five girls form a line. Find the number of ways of making the seating arrangement under the following condition:

Given:-


Number of boy=5


Number of girls=5



=(5!.5!)+(5!.5!)


=(5!)2+(5!)2



=5!.6!



=2!.5!.5!



Total number of boys and girls=5+5=10


Number of way=10!-5!.6!


Answer is above in table



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Questions · 64
7. Permutations and Combinations
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