EscaLaze
A guy climbs 20 steps of a stationary escalator reaching the upper floor in 75 seconds, then he moves on the same escalator at the same speed while its moving with a constant speed 'x', he now takes 30 seconds to reach the upper floor. Find i) What will be the number of steps the guy climbs on the moving escalator while climbing at same constant speed if the speed of the escalator was 50% higher?
The answer is 2.
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