A train covers a distance of 10 km in 12 minutes. If its speed is decreased by 5 km /hr, the time taken by it to cover the same distance will be :__________?
Q1. A train covers a distance of 10 km in 12 minutes. If its speed is decreased by 5 km /hr, the time taken by it to cover the same distance will be :__________?
Answer: 13 min 20 sec
Explanation: Original speed = 50 km/hr; reduced speed = 45 km/hr. New time = 10/45 hr = 13 min 20 sec.