If `(27)^x = (81)^y`, then find `x : y`.

If 9^(x)=27^(y) then find the ratio of x:y

If 9(27)^(x^2+y+z)+9(27)^(x+y+z^2)+9(27)^(x+y^2+z)=11 then find the number of possible triplet (x ,y ,z)dot

If (81)^(x)=(1)/((125)^(y)) and x,y are integers,then find the value of 12xy.