A bullock cart has to cover a distance of 80km in 10hrs. If it covers half of the journey in 3/5th time. what should be its speed to cover the remaining distance in the time left.	Select
A) 8 km/h B) 10 km/h C) 12 km/h D) 14 km/h E) 16 km/h
Time left = 10 - 3/5*10= 
<gadget id="calculator">10 - 3/5*10</gadget>
<output>4</output>
4 hr 10 km/h   speed=40 km /4 hr   =10 kmph   Answer : 10 km/h.
<result>B</result>
A bullock cart has to cover a distance of 80km in 10hrs. If it covers half of the journey in 3/5th time. what should be its speed to cover the remaining distance in the time left.