Question:
ALLEN CAREER INSTITUTE 40 A person walks up a stalled
Last updated: 6/12/2023
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ALLEN CAREER INSTITUTE 40 A person walks up a stalled escalator in 45 sec He is carried in 60s when standing on the same escalator which is now moving The time he would take to walk up the moving escalator will be 1 27 s 2 72 s 40