A zener diode is connected to a battery and a load as shown below : The currents $\;I,I_{Z}\;$ and $\;I_{L}\;$ are respectively

Question

$(a)\;15\;mA,5\;mA,10\;mA \qquad(b)\;15\;mA,7.5\;mA,7.5\;mA\qquad(c)\;12.5\;mA,5\;mA,7.5\;mA\qquad(d)\;12.5\;mA,7.5\;mA,5\;mA$