Problem Solving

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Problem Solving

by er.twi.fb » Wed Aug 11, 2010 1:06 pm
<1>A train travels from New York City to Chicago, a distance of approximately 840 miles, at an average rate of 60 miles per
hour and arrives in Chicago at 6:00 in the evening, Chicago time. At what hour in the morning, New York City time, did
the train depart for Chicago ? (Note: Chicago time is one hour earlier than New York City time.)


(A) 4:00
(B) 5.00
(C) 6:00
(D) 7.00
(E) 8:00
Source: — Problem Solving |

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by er.twi.fb » Wed Aug 11, 2010 1:41 pm
OA-B

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by nithi_mystics » Wed Aug 11, 2010 1:48 pm
Total time taken = 840/60 = 14 hours.

The train reached Chicago at 6 PM. So it should have started Newyork at 4 AM (Chicago time) ie., 5 AM NewYork time.
er.twi.fb wrote:<1>A train travels from New York City to Chicago, a distance of approximately 840 miles, at an average rate of 60 miles per
hour and arrives in Chicago at 6:00 in the evening, Chicago time. At what hour in the morning, New York City time, did
the train depart for Chicago ? (Note: Chicago time is one hour earlier than New York City time.)


(A) 4:00
(B) 5.00
(C) 6:00
(D) 7.00
(E) 8:00
Thanks
Nithi

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by aarati » Wed Aug 11, 2010 10:35 pm
nithi_mystics wrote:Total time taken = 840/60 = 14 hours.

The train reached Chicago at 6 PM. So it should have started Newyork at 4 AM (Chicago time) ie., 5 AM NewYork time.
thank you very much ...i understood your logic..now i can solve these type of problems... thank you very much your simple great....