An escalator moves towards the top level at the rate of 8 ft.sec and its length is 160 feet.
An escalator moves towards the top level at the rate of 8 ft.sec and its length is 160 feet. If a person walks on the moving escalator at the rate of 2 feet per second towards the top level, how much time does he take to cover the entire length.
Answer/Solution
16 sec
Steps/Work
Time taken to cover the entire length = tot.dist/resultant speed
= 160/ (8+2)
= 16sec
ANSWER:C
= 160/ (8+2)
= 16sec
ANSWER:C