A car travels from A to B at a speed of 40 km/hr, travels back from B to A at a speed of 30 km/hr and again goes from A to B at a speed of 60 km/hr. What is the average speed of the car?
1
\(\frac{{130}}{3}\,{\rm{km/hr}}\)
2
42 km/hr
3
40 km/hr
4
\(\frac{{125}}{3}\,{\rm{km/hr}}\)