" If "12p_(4)=11_(p_(6))+6*11_(p_(5))," then "9=

If 12P_(r)=11P_(6)+6*11P_(5) then r is equal to

If 12P_(r)=11P_(6)+6.11P_(5) then r is equal to

If ""^(12)P_(r)=""^(11)P_(6)+6""^(11)P_(5) then r is equal to

IF ""^(12)P_(r )=""^(11)P_(6)+6^(11)P_5 , then r=

If ""^(12)P_(r)=""^(11)P_(6) + 6 (""^(11)P_(5)) , then r is equal to

If^(12)P, = ^(11)P_(6)+6.^(11)P_(5), then r is equal to

if nP_(r)=720nC_(r), the value of r and the no.of six digit no.all digits which are odd is,and if 12P_(r)=11P_(6)+2*11P_(5),r=? and if 35C_(n+7)=35C_(4n-2) then n is equals to:

If P(12,r)=P(11,6)+6.P(11,5) then r=

If "^12P_r = "^11P_6 + 6 . "^11P_5 then r is equal to

if .^(12)P_(6)+6.^(12)P_(5)=^(13)P_(n), then n