Q. A goods train left A for B at 3pm at an average speed of 60km/hr. At 6 pm, an express train also had left A for B on a parallel track at an average speed of 90km/hr. How far from A, is the express train expected to overtake the goods train?

• A. 630km
• B. 450km
• C. 540km
• D. 350km

Correct Answer: C