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Mathematics, 02.12.2019 00:31, nicpinela1234
Atrain, 200 m long, travelled through a tunnel at an average speed of 20m/s. the whole train took 2 min 30 sec to pass through the tunnel completely. find the length of the tunnel in kilometres?
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Answers: 3
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Atrain, 200 m long, travelled through a tunnel at an average speed of 20m/s. the whole train took 2...
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