A man walks at a speed of 7 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?  Choose one.
A) 1 hours	B) 1 1/2 hours	C) 2 1/6 hours	D) 2 1/1 hours	E) 2 1/2 hours
Required time   = (5 1/4)/7 + (5 1/4)/7   = 1 1/2 hours.   Answer:1 1/2 hours
<result>B</result>
A man walks at a speed of 7 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?