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In a 114 storey building each floor is 5m high,if a lift moves 3m every second.How long will it take to move from the 46th to 106th floor?

Answer :

Avishek
According to the question,
Number of storeys between 106th and 46th floor = 106 - 46 = 60 floors
Total height of 60 floors = 60 x 5 = 300m
Now, we know that the lift moves 3m every second.

So, time taken to travel 300m = 300/3 
= 100 seconds
= 1 min 40 sec

Hope that helps !!
the no.of floors in the building=114
the no.of floors from 46th to 106=60
the height of 60 floors=60*5=300
the lift moves 3m in every second.so,
the time taken=300/3=100sec.

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