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If ""^(n)C(4),""^(n)C(5) and ""^(n)C(6) ...

If `""^(n)C_(4)`,`""^(n)C_(5)` and `""^(n)C_(6)` are in A.P. then the value of n is

A

14

B

11

C

9

D

12

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The correct Answer is:
A
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