Related:

• How many Virgos -- does it take to change a light bulb?
  Virgos don't have time to change their own light bulbs....
• How many missionaries -- does it take to change a light bulb?
  One, and thirty natives to see the light....
• How many light bulbs -- does it take to change a light bulb?
  Two, the new one and the old one. (hahahahah ???)...
• How many Arians -- does it take to change a light bulb?
  Only one, but it takes a lot of light bulbs. (*smash*)...
• How many jugglers -- does it take to change a light bulb?
  One, but it takes at least three light bulbs....
• How many Soviet emigres -- does it take to change a light bulb?
  One, and a lot of light bulbs....
• How many Daleks -- does it take to change a light bulb?
  Daleks don't change light bulbs, they level the building....
• How many graduate students -- does it take to screw in a light bulb?
  1/100. A graduate student needs to change 100 light bulbs a day....
• How many gardeners -- does it take to change a light bulb?
  Just one. The new light bulbs are just as easy to change as the older, heavier ones....