Question

A multi storey building has 25 floors above the ground level each of height 5m. It also has 3 floors in the basement each of height 5m. A lift in building moves at a rate of 1m/s. If a man starts from 50m above the ground, how long will it take him to reach at 2nd floor of basement?

Answer 1

Answer:

It will take him 60 seconds/one minute.

Step-by-step explanation:

Speed of the lift: 1 m/s

His height above the ground: 50 m

Total length needed to travel by the lift: 60 m

Time taken = 60 m / 1 m/s = 60 seconds/one minute.