Question

A multi storey building has 35 floors above the ground level each of height 7.5 m. It also
has 3 floors in the basement each of height 5 m. A lift in building moves at a rate of 1ms.
If a man starts from 50 m above the ground, how long will it take him to reach at 3rd floor of
basement?

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Answer 1

Answer:

Sorry I didn't understand please dont angry