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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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If ""^(n)C_(4), ""^(n)C_(5) and "'^(n)C_(6) are in A.P., then n is:

If ""^(n)C_(8)=""^(n)C_(2) , find ""^(n)C_(2) .

If ""^(n)C_(9)=""^(n)C_(8) , find ""^(n)C_(17) .

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If .^(n)C_(1),^(n)C_(2)and^(n)C_(3) are in A.P ., find n .

If .^(n)C_(4)=.^(n)C_(6) , then find .^(n)C_(9) .

If .^(n)C_(4)=.^(n)C_(2) , then find .^(n)C_(3) .

If .^(n)C_(5)=.^(n)C_(3) , then find .^(n)C_(4) .

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