Arun is going from Delhi to Mumbai for a business trip. He travelled by train to reach Gandhinagar in 16 hours covering a distance of 920km. After a break of 2 hours, he took another train from the same place to Mumbai, covering the distance in 12 hours. Arun took a total of 30 hours to cover the entire distance of 1478km. What was the speed (in km/h) of the train going from Gandhinagar to Mumbai?
- A39.85
- B46.5
- C53.5
- D49
Solution & Step-by-step Explanation
Given:
Total distance from Delhi to Mumbai =1478km
Distance from Delhi to Gandhinagar =920km
Therefore, the remaining distance from Gandhinagar to Mumbai is:
Remaining Distance=1478−920=558km
The time taken by the second train from Gandhinagar to Mumbai =12hours
The speed of the train from Gandhinagar to Mumbai is:
Speed=
Time
Distance
=
12
558
=46.5km/h
Total distance from Delhi to Mumbai =1478km
Distance from Delhi to Gandhinagar =920km
Therefore, the remaining distance from Gandhinagar to Mumbai is:
Remaining Distance=1478−920=558km
The time taken by the second train from Gandhinagar to Mumbai =12hours
The speed of the train from Gandhinagar to Mumbai is:
Speed=
Time
Distance
=
12
558
=46.5km/h