A lift serves floors 1 through 16, moving one floor every 12 seconds. It waits 48 seconds at both endpoints. It can complete how many round trips from 9.00 AM to 3 : 20 AM? | Prostuti
1. A lift serves floors 1 through 16, moving one floor every 12 seconds. It waits 48 seconds at both endpoints. It can complete how many round trips from 9.00 AM to 3 : 20 AM?
