Question

With an average speed of 45 km/h, a train reaches its destination on time. If it goes with an average speed of 30 km/h, it is late by 15 minute. The total journey is:

• A. 20.5 km
• B. 30.5 km
• C. 40.5 km
• D. 22.5 km

Answer 1

Answer: (D)