A man walks at a speed of 3 km/hr and runs at a speed of 6 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 the correct choice from the following answers:  A) 2.62  B) 2.56  C) 2.5  D) 2.8  E) 3.2
Required time = (5 1/4)/3 + (5 1/4)/6 = 2.625 hours.   2.62nswer:2.62
<result>A</result>
A man walks at a speed of 3 km/hr and runs at a speed of 6 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?