If \( { }^{n} C_{4},{ }^{n} C_{5} \) and \( { }^{n} C_{6} \) are in A.P., the value of \( n \) c....
If \( { }^{n} C_{4},{ }^{n} C_{5} \) and \( { }^{n} C_{6} \) are in A.P., the value of \( n \) can be
(1) 14
\( \mathrm{P} \)
(2) 11
W
(3) 9
(4) 5
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