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A person completes 210 km of his journey...

A person completes 210 km of his journey at 60 km/h and completes the next 198 km at 66 km/h. What is the average speed during the whole trip? /
एक व्यक्ति अपनी यात्रा के पहले 210 km को 60 km/h की गई से और अगले 198 km को 66 km/h की गति से पूरा करता है | पूरी यात्रा के दौरान औसत गति क्या है ?

A

68.5 km/h

B

64 km/h

C

63 km/h

D

62.8 km/h

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