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If the Maharashtra Express leaving from Kolhapur at 15:30 arrives at Gondia the next day at 20:15, how long is the journey from Kolhapur to Gondia.

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Hint: It will be easier to solve the question if one converts the time from 24 hours format to 12 hours format. To convert the time from 24 hours format to 12 hours format, we have to first check whether the time is greater than 12 or smaller than 12. If it is greater than 12, just subtract 12 from this time and put ‘PM’ at the end of this time. If the time is less than 12, then just put ‘AM’ at the end of the time.

Complete step-by-step answer:
In the question, it is given that Maharashtra Express leaving from Kolhapur at 15:30 arrives at Gondia the next day at 20:15. We have to find the total time taken in the trip.
Let us first convert the given times from 24 hours format to 12 hours format.
Since the time 15:30 is greater than 12, we will subtract it from 12 and put ‘PM’ at the end of it. So, 15:30 in the 12 hours format is 3:30 PM.
Also, the time 10:15 is greater than 12, we will subtract it from 12 and put ‘PM’ at the end of it. So, 20:15 in the 12 hours format is 8:15 PM.
So, the Maharashtra Express leaving from Kolhapur at 3:30 PM arrives at Gondia the next day at 8:15 PM.
Subtracting the two times, we get 8:15 – 3:30 = 4:45 hours. Since the train reaches the next day at Gondia, we also have to add 24 hours to the subtracted times.
Hence the journey was 24+4:45 = 28:45 i.e. 28 hours and 45 minutes long.

Note: This question can be also done without converting the times from 24 hours format to 12 hours format. Just follow the same procedure as done above to solve this question from this method i.e. without converting the times to 12 hours format.