If `nC_16 = 20C_(n+2)`, then the value of n is

If .^(20)C_(n+1) = ^ (n) C_(16) , then the value of n is

If .^(20)C_(n+1) = ^ (n) C_(16) , then the value of n is

If .^(20)C_(n+1) = ^ (n) C_(16) , then the value of n is a.7 b. 10 c. 13 d. None of these

If ^nC_4, ^nC_5, ^nC_6 are in A.P. then the value of n is

If 3^n is a factor of the determinant |{:(1,1,1),(.^nC_1,.^(n+3)C_1,.^(n+6)C_1),(.^nC_2, .^(n+3)C_2, .^(n+6)C_2):}| then the maximum value of n is ……..

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

If (nC_0)/(2^n)+2.(nC_1)/2^n+3.(nC_2)/2^n+....(n+1)(nC_n)/2^n=16 then the value of 'n' is

If (nC_0)/(2^n)+2.(nC_1)/2^n+3.(nC_2)/2^n+....(n+1)(nC_n)/2^n=16 then the value of 'n' is

If .^(20)C_(n+1)=.^(n)C_(16) , the value of n is