A man travels a distance of 6 km at a
speed of 4 km/hr and a distance of
4 km at a speed of 3 km/hr. What is
his average speed in total journey?
(a) 3-9/17km/hr (b) 4-9/17km/hr
(c) 2-1/17 km/hr (d) 3-1/17km/hr
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Answer:
option (a) is correct
solution is in attachment
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