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Questions  

In how many different ways can five boys and five girls form a circle such that the boys and girls alternate?

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By Expert Faculty of Sri Chaitanya
a
2880
b
2888
c
28809
d
None
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detailed solution

Correct option is A

 After fixing up one boy on the table, the remaining can be arranged in 4 ! ways but boys and girls are to alternate. There will be 5 places, one place each between two boys these five places can be filled by 5 girls in 5 ! ways.

Hence, by the principle of multiplication, the required number of ways =4!×5!=2880.


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