Question: Two cyclists start from the same point and ride in the same direction. Cyclist A rides at 12 km/h and Cyclist B at 15 km/h. How long will it take for Cyclist B to be 9 km ahead of Cyclist A?
Options:
Correct Answer: 3 hours
Solution:
Relative speed = 15 km/h - 12 km/h = 3 km/h. Time = Distance / Speed = 9 km / 3 km/h = 3 hours.