Question

A man covers a distance of 40km. He covers first 10km at 10km/h, second to km at
20km/h, third 10km at 30km/h and last 10km at 40km/h. What is the average speed of
man?
(a) 18.2 km/h
(b) 19.2 km/h
(c) 19.0 km/h
(d) 16.2 km/h​

Answer 1

Answer:

A man covers a distance of 40km. He covers first 10km at 10km/h, second to km at

20km/h, third 10km at 30km/h and last 10km at 40km/h. What is the average speed of

man?

Answer 2

Step-by-step explanation:

(b) 19.2 km/h is the answer

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