Sumit travels from Mumbai to Navi Mumbai at a speed of 40 km/hr in 33 minutes and he travels a distance from Navi Mumbai to Pune at a speed of 62 km/hr in 33 minutes. Find the average speed of the whole journey.
1
57 km/hr
2
54 km/hr
3
51 km/hr
4
59 km/hr
5
None of the above