The elevator in an eleven-storied office building travels at the rate of one floor per 1/4 minute, which allows time for picking up and letting down passengers. At the main floor and at the top floor the operator stops for 1 minute. How many complete (return) trips will the operator make during a 7 hours period?



The elevator in an eleven-storied office building travels at the rate of one floor per 1/4 minute, which allows time for picking up and letting down passengers. At the main floor and at the top floor the operator stops for 1 minute. How many complete (return) trips will the operator make during a 7 hours period? ?

Created: 1 year ago | Updated: 5 months ago | Created By:
Mahian Mahin
Mahian Mahin
50
60
80
None of these
0 54
Institution: Petroleum Exploration Co Exam: Officer - 17.04.2009
Topic: Spain

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