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 12 km, if he completes half of the distance, i.e., (6) km on foot and the other half by running?\nOptions:\n(A) 2.6\n(B) 2.2\n(C) 2.5\n(D) 2\n(E) 3 Stream of consciousness:
User
Required time = (6)/3 + (6)/6 = 3 hours.
Thus, the answer is (E).
Assistant