EXAMPLE 1 Preeti reached the metro station and found that

Last updated: 6/13/2023

EXAMPLE 1 Preeti reached the metro station and found that the escalator was not working She walked up the stationary escalator in time t On other days if she remains stationary on the moving escalator then escalator takes her up in time t The time taken by her to walk up on the moving escalator will be NEET 2017 d t t a t t 2 b tit t t c t t t t