Two guns are fired from the same place at an interval of 6 minutes. A person approaching the place observes that 5 minutes 52 seconds have elapsed between the hearing of the sound of the two guns. If the velocity of the sound is 330m/s, the man was approaching that place at what speed (in km/hr)?

Options

A. 24
B. 27
C. 30
D. 36

Answer

B