Every floor of a 20 storey building is 5 m high. If a lift moves 2 m every second, how long will it take to move from 4thfloor to 15thfloor?
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Answer:
27.5 seconds ,Tq mark as brainliest
Step-by-step explanation:
height of a floor is 5m
covered distance IN 1 sec= 2m
time taken to cover each floor for lift = 2.5 sec for 5m
no.of Flores = 15-4=11
time for 11 floors = 11* 2.5sec
=27.5 sec
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