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Mathematics, 21.06.2020 13:57 ajime
The length of a Train A is 480 m and it takes 2 minutes to cross a tunnel of length 1,320 m. The length of a Train B, which is slower than Train A, is 420 m. Both the trains start at the same time from the opposite directions. If the difference between their speeds is 18 km/h, find the time they take to cross each other. (Enter only the number)
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The length of a Train A is 480 m and it takes 2 minutes to cross a tunnel of length 1,320 m. The len...
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