A man walked 5 km to reach the bus stop from his house, and immediately boarded a bus whose average speed was 85 km/hr. He reached his destination in a total of 3 hours. If the average speed of the entire journey was 30 km/hr, then the average speed of walking (km/hr) is:

A man walked 5 km to reach the bus stop from his house, and immediatel

1.	A man walked 5 km to reach the bus stop from his house, and immediately boarded a bus whose average speed was 85 km/hr. He reached his destination in a total of 3 hours. If the average speed of the entire journey was 30 km/hr, then the average speed of walking (km/hr) is:
A.	4
B.	3
C.	2
D.	2.5
E.	None of These
Answer» E. None of These

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A man walked 5 km to reach the bus stop from his house, and immediately boarded a bus whose average speed was 85 km/hr. He reached his destination in a total of 3 hours. If the average speed of the entire journey was 30 km/hr, then the average speed of walking (km/hr) is:

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