Question

A train is moving form a station covers 80km in 1hour,40km in 20minutes, 100km in 40km. how much will its average speed?​

Answer 1

Average speed = Total distance cover

Total time taken

= 80 + 40

1 + 20

60

= 120.

60 + 20

60

= 120.

80

60

= 120 × 60

80

= 360

4

= 90 km/ h