A bus travels 150 km in 3 hours and then travels next 2 hours at 60 km/hr. Then the average speed of the bus will beA55 km/hr.B60 km/hrC50 km/hrD54 km/hr.Answer: D. 54 km/hr.Read Explanation:distance covered with the speed of 60 km/hr = 60 x 2 =120 km average speed = total distance / total time = 150 + 120 / 2 +3 = 54 km/hrOpen explanation in App