A person has to cover a distance of 10km in 1hour. If he covers one half of the distance in half of the total time; to cover the remaining distance in the remaining time, his speed must be? Select
A) 5km/hr
B) 8km/hr
C) 10km/hr
D) 12km/hr
E) 15km/hr
Remaining distance = 5km   Remaining time = 1/2 * 60= 
<gadget id="calculator">1/2 * 60</gadget>
<output>30</output>
30min= 1/2 hour   Required speed = 5*2= 
<gadget id="calculator">5*2</gadget>
<output>10</output>
10km/hr   Answer is 10km/hr
<result>C</result>
A person has to cover a distance of 10km in 1hour. If he covers one half of the distance in half of the total time; to cover the remaining distance in the remaining time, his speed must be?