they are both 0 because its impossible to have a light bulb running for 0 hrs in the situation and its impossible to find the time in minutes... the direction's r asking which would be most unreasonable so they r both A
On number two, it would be D., 25 hours, because there are only 24 hours in a day. And on number 4, it would be C., -5, because you can't have a negative amount of time, just like you can't have a negative amount of distance.