6am to 6pm = 12 hours
so from 6:40 take off 40 minutes
12:00 - 0:40 = 11 hours 20 minutes
4.5 hours between 1:30pm and 6:00pm
There is no such time as 1200 am: there is 12 noon and 12 midnight. The question cannot, therefore, be answered.
2 hours
3 hours and 15 min
Two
6 hours and 30 minutes
4.5 hours between 1:30pm and 6:00pm
The time from 10:00 PM to 6:00 AM is a span of 8 hours. This period includes the hours from 10 PM to midnight (2 hours) and then from midnight to 6 AM (6 hours). Therefore, the total duration is 2 + 6 = 8 hours.
12 hours
12 hours
12 Hours ! There are 12 hours in the AM and 12 hours in the PM !
From midnight (am) to Noon (pm) is 12 hours.
There is no such time as 1200 am: there is 12 noon and 12 midnight. The question cannot, therefore, be answered.
2.5 hours
2 hours.
6 hours.
7 and a half hours