Question

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?

Answer 1

Answer: Time - Distance/Speed

Distance to be tavelled by lift =16-4

=12 floors

Distance=12×5

=60 m

= 60/2

=30 sec

Answer 2

Answer:

answer =30 seconds

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