Question

a multistory building has 25 floors above the ground level... each of height 5m. it has also 3floors in the basement, each of height 5m. A lift in the building moves at a rate of 1 m/s.if a man starts from 50m above the ground.. how long will it take him to reach at second floor in the basement​

Answer 1

Answer:

Step-by-step explanation:

25=125 meters

3=15 meters

15+125=140 meters(whole)

50 meters/5 meters=10 floors

10+2(the lower basement)=12 floors

12×5=60 meters

lift speed=1m/s

60 m=60 s