Question

7. If a person travels -th of a distance at
5
20 km/h, -th of the distance 30 km/h and
5
rest of the journey at 40 km/h, then what
is his average speed for the entire journey?
(a) 27.77 km/h
(b) 27.27 km/h
(C) 37.77 km/h
(d) None of these​

Answer 1

Answer:

the question is not clear it is confusing

Answer 2

C option is correct......