Question

1124. If Rudolph covers the first part of his journey at a speed of 2 km/h and the remaining part at a speed of 4 km/h, and the distances of the two parts of the journey are in the ratio of 3:2, then the average speed for the entire journey is
a) 2.5 km/h
c) 7.5 km/h
b) 5 km/h
d) 3.5 km/h​

Answer 1

Answer:

b

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