Question

An escalator was moving up from floor X to floor Y . It had 120 steps.Anil took 24 seconds to walk up on it. If his speed doubled and that of the escalator tripled,he would have taken only ten seconds to walk up on it.Find the time he would take to go from floor Y to floor X using escalator. in seconds

Answer 1

an escator was ithtmoving up from the floor in the thymson time 24 sec frequency Y floor yo X floor in second t