There is a escalator and 12 persons move down it. A takes 50 steps and B takes 75 steps while the escalator is moving down.Given that the time taken by A to take 1 step is equal to time taken by B to take 3 steps. Find the no.of steps in the escalator while it is stationary(adsbygoogle = window.adsbygoogle || []).push({});

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# Homework Help: Calculating the number of steps in an escalator

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