A boy boarded a train on 30th June, 2019 at Madgaon for Nagarcoil. The train departed at 09:45 hours from Madgaon and reached Nagarcoil at 07:15 hours on the next day. If the distance covered by the train during this time interval is 1140 km, the average speed of the train was

Options

A. 57 km/h
B. 51.5 km/h
C. 53 km/h
D. 54.5 km/h

Answer

C

Explanation

Time taken to cover the distance = 21 h 30 min.
(from Madgaon to Nagarcoil)
Distance from Madgaon to Nagarcoil
= 1140 km
`Speed = ("Distance")/(" Time")`
Average speed of the train
`= (1140)/( 21 h 30 min ) = (1140)/(21.5) = 53.02` km/h