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Question 1:
A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:
A. 35.55 km/hr
B. 36 km/hr
C. 71.11 km/hr
Feedback Total time taken = (160/64 + 160/80)hrs = 9/2 hrs
Average speed =(320x2/9)km/hrb= 71.11 km/hr.
D. 71 km/hr

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