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Get access to the detailed solutions to the previous years questions asked in IIFT exam
It is given that by using the escalator, one can get out of the station in 80 sec.
Let us consider the number of steps =80
Speed of the escalator = 1 step/sec
When the escalator was not working, the time taken by a person = 50 sec
The speed of the person = 80/50=8/5 steps/sec
Time taken by a person walking down a moving escalator =https://i.ibb.co/7gpJpn1/image.png
=2.22 min
B is the correct answer.