Read the following Railway timings New Delhi Puri Rajdhani express and...
Formula used:
Duration of the journey between two stations = Departure time - Arrival time
Concept used:
1 hour = 60 minutes
10:15 = 10 hours + 15 minutes
Calculation:
Time is taken by the train to reach Ranchi from Bokaro
11:15 - 07:55 = 10 hour + 75 minutes - (7 hours + 55 minutes) = 3 hour + 20 minutes
So, option 1 is incorrect.
Time is taken by train to reach Bhubaneswar from Ranchi
19:35 - 11:20 = 19 hour + 35 minutes - (11 hours + 20 minutes) = 8 hours + 15 minutes
So, option 2 is incorrect.
Time is taken by train to reach Puri from Bhubaneswar
21:45 - 19:40 = 21 hours + 45 minutes - (19 hours + 40 minutes) = 2 hours + 5 minutes
So, option 3 is correct.
Time is taken by train to reach Bokaro from New Delhi
07:50 - 01:30 = 7 hours + 50 minutes - (1 hour + 30 minutes) = 6 hour + 20 minutes
So, option 4 is incorrect.
∴ Among the above options only option 3 is correct.