Question

An escalator is moving downwards. Sam takes 30 steps to reach the bottom of the escalator from the top and John takes 70 steps to reach the top from the bottom. The speeds of Sam and John are equal. What is the number of steps in the escalator when it is stationary

Answer 1

Answer:

42

Step-by-step explanation:

given speeds are in ap so we can calculate time by hp

2*70*30/70+30

=42

or you can solve by normal method for that I have posted a photo go through it