a tap supplies water at 26oC while another supplies water at 82oC. If a man…

a tap supplies water at 26^oC while another supplies water at 82^oC. If a man wishes to bathe with water at 40^oC the ratio of hot mass of hot water to that of cold water required is

Correct Answer: Option A

Explanation

heat supplied by hot water = heat gained by cold water M₁C(82 – 40) = M₂C(40 – 26)
(frac{M_2}{M_1})= (frac{14}{42})
= 1: 3