The freezing point & boiling point of water are marked as $\;-20^{0}C\;$ & $\;180^{0}\;$ respectively . The thermometer will read human body temperature $\;(37^{0}C)\;$ as -

Question

$(a)\;54^{0}\qquad(b)\;37^{0}\qquad(c)\;17^{0}\qquad(d)\;74^{0}$