Question

In a journey of 160 km, a train covers the distance 120 km at a speed of 80 km/h and the remaining distance at 40 km/h. Find the average speed of the train for the whole journey.
A) 60 km/h
B) 64 km/h
C) 40 km/h
D) 45 km/h

Answer 1

A) 60 km/h

speed 80 km/h and 40km/h

$\frac{80 + 40}{2}$

=60

Answer 2

Answer:

64 km/h it is the answer