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The number of ways in which a 7 people c...

The number of ways in which a 7 people can sit around a round table is

A

`""^(16)C_(11)`

B

`""^(16)C_(5)`

C

`""^(16)C_(9)`

D

`""^(20)C_(8)`

Text Solution

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The correct Answer is:
C
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NEW JOYTHI PUBLICATION-PERMUTATIONS AND COMBINATIONS-QUESTIONS FROM COMPETITIVE EXAMS
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  8. If n and r are two positive integers such that nger,"then "^(n)C(r-1)+...

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  12. Evaluate the following: ""^(20)C(4)=

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  14. If ""^(n)C(3)=220, then n = ?

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