A man walks at a speed of 5 km/hr and runs at a speed of 7 km/hr. How much time will the man require to cover a distance of 10 1/2 km, if he completes half of the distance, i.e., (5 1/4) km on foot and the other half by running?
Select:
A) 1 4/5 hours	B) 2 hours	C) 2 1/6 hours	D) 2 1/3 hours	E) 2 1/2 hours
Required time   = (5 1/4)/5 + (5 1/4)/7   = 1 4/5 hours.   1 4/5 hoursnswer:1 4/5 hours
<result>A</result>
A man walks at a speed of 5 km/hr and runs at a speed of 7 km/hr. How much time will the man require to cover a distance of 10 1/2 km, if he completes half of the distance, i.e., (5 1/4) km on foot and the other half by running?