This math topic focuses on calculating the speed of a train as it passes a platform. The problems require finding the train's speed by considering the combined lengths of the train and the platform and the time taken for the train to pass completely. Variations of the length of the train, the length of the platform, and the time taken are presented across different questions, challenging students to apply the formula for speed accurately. This is part of a broader unit on Advanced Speed, Distance, and Time.
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A 30 m long train goes past the entire length of a 10 m platform in 10 s. How fast is the train going?