The figure above shows the railway tracks between three cities A, B and C. The distance between city A and city B is 100

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by M7MBA » Sun May 10, 2020 10:57 am

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The figure above shows the railway tracks between three cities A, B and C. The distance between city A and city B is 100 kilometres and city A and city C is 240 kilometres. A train can travel from city A to city B via city C only and vice versa. Two trains are scheduled to start from city A and city B respectively at 9 AM and travel to city B and city A respectively. The speeds of the train starting from city A and city B are 20 kilometres per hour and 25 kilometres per hour respectively. If the train from city A starts half an hour early and the train from city B starts half an hour late, at what time will the two trains meet?

A. 7:10 PM
B. 8:10 PM
C. 8:23 PM
D. 8:40 PM
E. 8:53 PM

[spoiler]OA=B[/spoiler]

Source: e-GMAT

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