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:

5min or 300 sec

Step-by-step explanation:

As total distance = 190+10=200m

And speed = 10m/15sec

Time taken from top to bottom of the building is

1min = 40m

200m =5 min or 300sec

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