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Fri 16 Sep, 2005 02:39 am
Come on friends, what has happened to our intellects,
Answer this one
An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.
Is this a shopping mall, or a train station? Heavily laden shopping bags may influence my answer. Or will it?
Now I'm confused.
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