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Q.

Goa Express, bound for Goa, starts from Delhi at 10:00 hours and reaches Goa at 21:30 hours the next evening.  What is the total time taken by the train?


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a

10 hours 30 minutes

b

11 hours 20 minutes

c

35 hours and 30 minutes

d

11 hours 35 minutes 

answer is C.

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Detailed Solution

Concept- Using simple knowledge about 24-hour clock systems, followed by simple mathematical calculations.
The train departs from Delhi at 10:00 hours
At 21:30 hour., the train arrives in Goa.
Time spent travelling Equals 1 day Plus (21:30- 10:00)
= 11:30 hours + 24:00 hrs
35.30 hours total time
As a result, the total time taken by rail is 35 hours and 30 minutes.
Hence, the correct option is 3.
 
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