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- A motorist travel to a place 150 km away at an avearge speed of 50 km/hr and returns ar 30 km/hr.
Question 1:
A motorist travel to a place 150 km away at an avearge speed of 50 km/hr and returns ar 30 km/hr.His average speed for the whole jouney in km/hr is A. 36.5 km/hr
B. 37.5 km/hr
Feedback Average speed will be
2xy/x+y km/hr= 2(50)(30)/50+30km/hr
= 37.5 km/hr
2xy/x+y km/hr= 2(50)(30)/50+30km/hr
= 37.5 km/hr
C. 34.5 km/hr
D. 35.5 km/hr
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