2. Each floor of a 20-story building is 5 m high. If a lift moves at the rate of 2 m every second, how long will it take to move from the 4th floor to the 16th floor?
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Answered by
2
Answer: Time - Distance/Speed
Distance to be tavelled by lift =16-4
=12 floors
Distance=12×5
=60 m
= 60/2
=30 sec
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0
Answer:
answer =30 seconds
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