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