That's impossible, because they can't climb the ladder.
5 1 to hold the bulb and 4 to spin the ladder.
Two, One to hold the light and, one to drink until the room starts spinning!
3, a person, a ladder, and another lightbulb
Two. One to hold the ladder and one to screw your mother - I mean light bulb!
Depends on how many cops planted it there
Fish.
Both can climb trees, except the piano
She heard that the drinks were on the house.