What did one math book say to another?
Answer: I have so many problems.
What has 4 fingers and a thumb, but is not living?See answer
What do mathematics teachers like to eat?See answer
One brick is one kilogram and half a brick heavy. What is the weight of one brick?See answer
Select a pack of riddles and try to solve it in an interesting way.
This riddle appears in the following downloadable PDF files: