Ramesh Walked 6 Km to reach the station from his house, then he boarded a train whose average speed was 60 Kmph and thus he reached his destination. In this way he took a total time of 3 hours. If the average speed of the entire journey was 32 Kmph then the average speed of walking is?
A. 5 Kmph
B. 8 Kmph
C. 2 Kmph
D. 4 Kmph
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