Question

Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time t₁. 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:

Answer 1

t =t₁t_2/(t₁ + t₂ ) (time taken by preeti to walk up on the moving escalator)