If a passenger sitting near the window in a train moving at 40 kmh noticed that it took 3 seconds for the oncoming train

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VJesus12: Legendary Member; Posts: 2276; Joined: Sat Oct 14, 2017 6:10 amFollowed by: 3 members

by VJesus12 » Fri Jun 11, 2021 7:55 am

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If a passenger sitting near the window in a train moving at 40 kmh noticed that it took 3 seconds for the oncoming train to pass by, what was the speed of the oncoming train if the length of the oncoming train was 75 meters?

A. 50 kmh
B. 52 kmh
C. 56 kmh
D. 60 kmh
E. 70 kmh

Answer: A

Source: GMAT Club Tests

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Source: Beat The GMAT — Problem Solving | Fri Jun 11, 2021 7:55 am

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