The town C is there is between A and B. If Nasir travels from A to C with a speed of 4km/h and from C to B with 6km/hr, what is the average speed of Nasir from A to B?
Q1. The town C is there is between A and B. If Nasir travels from A to C with a speed of 4km/h and from C to B with 6km/hr, what is the average speed of Nasir from A to B?
Answer: 4.8 km/h
Explanation: When equal distances are covered at different speeds, average speed = 2uv/(u+v) = 2×4×6/(4+6) = 4.8 km/h.