This math topic deals with solving for the speed of a train as it passes a platform, integrating the concepts of speed, distance, and time. Each problem presents a scenario where a train of a specified length travels past a platform of a given length within a certain amount of time. Students are required to calculate the train's speed based on these parameters, enhancing their problem-solving skills in the context of real-world motion scenarios. The problems underscore practical application of the distance formula, with speed being the key variable to determine.
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A 170 m long train goes past the entire length of a 80 m platform in 25 s. How fast is the train going?