A: One -- but it's an 8 hour minimum.
Somewhere between 0 and infinity.
None. They believe that the enlightenment comes from within.
Does it have to be a light bulb? 'Cause I had this other idea...
They can't, it'd be much too cramped. How would they even get in there in the first place?
Just one she hokds the blub and the world revolves around her.