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2015-10-07T12:23:09+05:30

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Time taken by train to cover 51 km=45 min
time taken to cover 1 km=45/51 km
time taken to cover 221 km=(45/51)*221=195 min
therefore the train takes 3 hours and 15 min to cover 221km.
i hope this helps u...
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2015-10-07T20:09:30+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Time taken by train to cover 51km = 45min
So, 17km = 15min
Then, 221/17 = 13
13 * 15 = 195min
195min = 3hrs. 15min

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