5.
A train covers the first half of the distance
between two stations with a speed of 40 km/h
and the other half with 60 km/h. Then its average
speed is :
(1) 50 km/h
(2) 48 km/h
(3) 52 km/h
(4) 100 km/h
Answers
Answered by
1
Answer:50 km/h
Explanation:(40+60)/2=50km/h
Similar questions