Question

10. The average speed of a bicyclist, if he covers first 5 kmwith a speed 15 km/h and next 5 km with speed 10 km/h,
would be
(a) 12.5 km/h
(b) 12 km/h
(c) 15 km/h
(d) 6 km/h.​

Answer 1

Answer:

(b) is the correct answer

Explanation:

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