Question

10. The height of a multistorey building is 190 m and the depth of its basement
is 10 m. A lift in building moves at a rate of 10 m/ 15 second. If a man
starts from terrace, how long will it take him to reach at bottom of the
basement ?​

Answer 1

Answer:

height of multi storyed building: 190 m

Dept of the basement:10m

building moves at a rate:10m/15 sec

time taken him to reach bottom basement: 1 hr 45 mins