Question 921146
train covers 16.5 km in 5 minutes
 it means it covers 16.5 km in  300 seconds  ( 5 min = 5*60 =300 seconds)
                 In one second it can cover  = 16.5 Km over 300
                                              = 0.055 km 
                                              = 0.055 *1000 meters
                                               = 55  m 
distance in 1 sec  = 55 m