| A | B |
| Why are false teeth like stars? | Because they both come out at night. |
| Why is a pocket calculator reliable? | Because you can always count on it. |
| Why do cows wear bells? | In case their horns don't work. |
| Why did the man with one hand cross the road? | To get to the second hand shop. |
| Why is a room full of married people always empty? | Because there isn't a single person in it. |
| Why did the nurse open the medicine cabinet quietly? | Because she didn't want to wake up the sleeping pills. |
| Why is a banana like a jersey? | Because it's easy to slip on. |
| Why is it easy to weigh a fish as soon as you catch it? | Because it has its own scales. |
| Why do teachers at university wear glasses? | Because their students are very bright. |
| Why did the man drag his bed into the woodshed. | Because he wanted to sleep like a log. |