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The number of ways in which 20 girls be ...

The number of ways in which 20 girls be seated round a table if there are only 10 chairs

A

`(""^(20)C_(10))/(2)`

B

`""^(20)C_(10)9!`

C

`(""^(20)C_(10))/(10)`

D

`(""^(20)P_(10))/(10)`

Text Solution

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The correct Answer is:
B, D
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