A person climbs up a escalator in 60s.if standing on the same but escalator running with constant velocity he takes 40s.how much time is taken by the person to walk up the moving escalator
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just a simple way
1/60 + 1/40 = 40+60/2400
2400/100= 24s
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Answered by
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1/60+1/40=40+60/2400
2400/100=24/1
24s
2400/100=24/1
24s
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