A train completes a journey with a few stoppages in between at an average speed of `40` km per hour. If the train had

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Q 2411167920.     A train completes a journey with a few stoppages in
between at an average speed of `40` km per hour. If the
train had not stopped anywhere, it would have
completed the journey at an average speed of `60` km
per hour. On an average, how many minutes per hour
does the train stop during the journey?
IAS 2007 Prelims
A

`20` minutes per hour

B

`18` minutes per hour

C

`15` minutes per hour

D

`10` minutes per hour

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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