A building of 50 floors. Every floor of the building is 6m high. If it's elevator moved 3m per second, then how long will it take to move from the 2nd floor to the 42nd floor?
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No. of floors = 50
Height of 1 floor = 6m
Lift moves 3m per second
No. of floors between 2nd to 42nd floor = 40
Total distance = 6 x 40m
= 240m
Time lift will take to climb 40 floors = 240/3 secs
= 80 secs
Therefore, the lift will take 80 secs to climb 40 floors.
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