Answer:
When you put this in a heavy wooden box the box will become lighter
On which day of the year do fewest people die?
A town has only two barbers. One of the barbers has a nice, tidy haircut, and the other has a shaggy, messy haircut. Which barber should you go to?
There are 5 sisters in a room: Ann is reading a book, Margaret is cooking, Kate is playing chess, Marie is doing the laundry. What is the fifth sister doing?
What is a ten letter word that starts with gas?
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?