If a man can cover 20 metres in one second, how many kilometres can he cover in 3 hours 45 minutes?  Choose the correct choice from the following answers:
A) 288	B) 162	C) 220	D) 270	E) 122
20 m/s = 20 * 18/5 kmph   3 hours 45 minutes = 3 3/4 hours = 15/4 hours   Distance = speed * time = 20 * 18/5 * 15/4= 
<gadget id="calculator">20 * 18/5 * 15/4</gadget>
<output>270</output>
270 km.   Answer: 270
<result>D</result>
If a man can cover 20 metres in one second, how many kilometres can he cover in 3 hours 45 minutes?