Question

Yah kar covers half of the distance with a speed 36 km/ hr and second half with speed 54 km/hr average speed is

Answer 1

Answer:

43.2. Kmph

Explanation:

2v1v2/v1+v2

=2*54*36/(54+36)

=43.2 kmph

Answer 2

Explanation:

average of speed is second half 45km/hr