Question

if a train runs at 40km per hour it reaches its destination late by 11 minutes.but if it runs 50km per hour it is late by 5 minutes only.find the distance covered by the train

Answer 1

1.5 km will be the answer

Answer 2

let the correct time to complete the journey be x min.
distance covered in (x+11)
min=distance covered in
(x+5)min at 50km/hr
A.T.Q =(x+11)60*40
=(x+5)60*50
=x=19 min.