Q: How many cafeteria staff does it take to change a lightbulb ?
A: Sorry, we closed 18 seconds ago, and I've just cashed up.

Q: How many Censors does it take to change a light bulb?
A: One to ---- ------- ----- and another to ---- ----- ---- while ---- ---- - - -----with a ------

Q: How many chess computers does it take to change a lightbulb ?
A: Four. One to remove the lightbulb by capturing it en passant, one to put the new one in by taking back the move whereby the old one was unscrewed, one to go snatching some pawns while all this action takes place on the other side of the board, and one to flash its lights, make lots of noise, and announce out of the blue that it has found a forced mate in seven.

Q: How many chess grandmasters does it take to change a lightbulb ?
A: 21. One to have the idea, and a whole load more to do all the analysis.

Q: How many circus performers does it take to change a lightbulb ?
A: Four: One for the money, two for the show, three to get ready, and four to go!
A: Four. One to change the bulb and three to sing, Ta da!

Q: How many civil servants does it take to change the light bulb?
A: 45. One to change the bulb, and 44 to do the paperwork.

Q: How many city planners does it take to screw in a light bulb?
A: Six - four to write an extensive study recommending a three-way 100/200/250 watt light bulb, one to write an article in the newspaper praising the study, and one to put in a 10 watt blub instead.

Q: How many classical music singers does it take to change a lightbulb ?
A: None - "Impossible. The altitude may put unnecessary strain on my vocal chords. Have the bassist do it."

Q: How many college students does it take to change a lightbulb?
A: I dunno, I forgot my calculator at home.

Q: How many Communists does it take to screw in a light bulb?
A: Two - one to screw it in, and a second to hand out leaflets.
A: One, but it takes him about 30 years to realize that the old one has burnt out.

Q: How many conservatives does it take to change a light bulb?
A: One; after reflecting in the twilight on the merit of the previous bulb.

Q: How many Conservative economists does it take to change a lightbulb ?
A: None. The invisible hand does it.
A: None. "There is no need to change the lightbulb. All the conditions for illumination are in place. Recent surveys show growing confidence in the lightbulb lighting up again."
A: None, because, look! It's getting brighter! It's definitely getting brighter !!!

Q: How many consultants does it take to change a light bulb?
A: We don't know. They never get past the feasibility study.
A: I'll have an estimate for you a week from Monday.

Q: How many copyeditors does it take to screw in a lightbulb?
A: The last time this question was asked, it involved art directors. Is the difference intentional? Should one or the other instance be changed? It seems inconsistent.

Q: How many country & western singers does it take to change a lightbulb ?
A: Four. One to change it, one to sing about how heartbroken he is at the loss of the old one, one to sing about how madly in love she is with the new one, and one to go "Yeeeee-Hah !" and throw his hat in the air.

Q: How many cover artists does it take to change a lightbulb?
A: Why is there...an eggbeater, I think?...sticking out of this light fixture?

Q: How many cover blurb writers does it take to screw in a lightbulb?
A: A VAST AND TEEMING HORDE STRETCHING FROM SEA TO SHINING SEA!!!!

Q: How many cryonicists does it take to change a light bulb?
A: Four - One to ensure that the light bulb is certifiably dead, one to perfuse it with cryoprotectants, one to slowly cool it to liquid nitrogen temperature, and one to wait two hundred years for technology to advance sufficiently to revive it.