Question

(b) A bus travels a distance of 120 km with a speed of 40 km/h and returns with
speed of 30 km/h. Calculate the average speed for the entire journey.​

Answer 1

$\huge \underline \green{\sf{ Answer :- }}$

T1 = 120/40 = 3hr.

Average speed = Total distance covered/Total time taken.

= 240/7

$\small \underline {\sf{↬34.28Km/hr. }}$

Answer 2

Answer:

10 km will be the answer