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Mathematics, 06.10.2019 22:30, jose55221
If the wheel of the engine of a train is 30/7m in circumference and makes 7 revolutions in 4 secs then the speed of the train is?
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Answers: 3
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If the wheel of the engine of a train is 30/7m in circumference and makes 7 revolutions in 4 secs th...
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