This question was asked in Ex 1.2, 2

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?

Jigabhai Khodiyar's image
Jigabhai Khodiyar
July 23, 2021, 11:36 a.m.