13 Preeti reached the metro station and found that the

Last updated: 6/6/2023

13 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 the escalator takes her up in time t2 The time taken by her to walk up on the moving escalator will be 1 1 d t 1 NEET 2017 t t a 1 1 2 b c t t2 t 1