It takes two. One to change the bulb and the other to kick the switch.
A hundred but they'll all be competing to be the one to change the bulb and bring light to the world.
Three; one to drop the bulb and two to yell "pick it up pick it up!"
One. They're efficient and don't have humour.
Who wants to know
One but you should have seen the bulb it must have been THIS big.
Two.
Deleted
OC) Too many persuasive esses.
Kick boxing
He was always spiking the ball.