With an average speed of 60 km/h, a train reaches its destination on time. If it goes with an average speed of 45 km/h, it is late by 20 minutes. The distance covered by the train is _____.

60 km

Let distance = D km

According to question ,

\(\frac{D}{60}\) + \(\frac{20}{60}\) = \(\frac{D}{45}\)

\(\frac{20}{60}\) = \(\frac{D}{45}\) - \(\frac{D}{60}\)

\(\frac{20}{60}\) = \(\frac{4D - 3D}{180}\)

D = 60 km

SO , Distance traveled is 60 km