Q. A man covers a total distance of 100 km on bicycle. For the first 2 hours, the speed was 20 km/hr and for the rest of the journey, it came down to 10 km/hr. The average speed will be
A) 13 km/hr
B) 12.5 km/hr
C) 20 km/hr
D) 15.5 km/hr
✔ Correct Answer: 12.5 km/hr
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