The rate of the reaction, $A+B+C \to $ products , is given by $\large\frac{-d[A]}{dt} $$=k[A]^{1/2} [B]^{1/3} [C]^{1/4}$ The order of the reaction is

Question

$\begin{array}{1 1} \frac{1}{2} \\ \frac{13}{12} \\ 1 \\ 2 \end{array} $