Question

Delhi metro train covers a distance of 42 kilometre in 80

minute what is the average speed of a train in kilometre per hour as wireless metre per second ​

Answer 1

Answer:

distance covered in 80 minutes = 42km

distance covered in 1 minute = 42/80 = 0.525

distance in 1 hour (60 mints) = 0.525*60 = 31.5

speed = distance/time

          =  31.5km/h

metre per hour = 31.5/1000

                         = 0.0315m/h

Explanation:

hope it works