Anand with his family travelled from Guntur to Rajahmundry by car at a speed of 50 km/h and returned to Guntur at a speed of 60 km/h. The average speed for the whole journey is: (Consider up to two decimal places)

A

54.54 km/h

B

64.64 km/h

C

34.54 km/h

D

44.34 km/h