A train traveled a distance of 6,000 km from Lahore to Karachi in 22 hours and came back to Lahore in 28 hours. What is the average speed of train?
A train traveled a distance of 6,000 km from Lahore to Karachi in 22 hours and came back to Lahore in 28 hours. What is the average speed of train?
Explanation
Total distance = 6,000+6,000=12,000 (from Lahore to Karachi, and then from Karachi to Lahore).
Total time = 22+28=50 hours.
Hence, average speed is 240 km/hr