Rajni

Member • Jan 8, 2014

## Are you fast enough to solve this in 60 seconds?

---------

John walk upwards on an escalator, with a speed of 1 step per second. After 50 steps, he was at the end. He turned around and ran downwards with a speed of 5 steps per second. After 125 steps, he returned at the beginning of the escalator.

Can you help John finding out how many steps he needed if the escalator would have stood still?

a)125

b)100

c)200

d)none

stay tuned for more puzzles in future..