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 answerWhat do mathematics teachers like to eat?
See answerOne brick is one kilogram and half a brick heavy. What is the weight of one brick?
See answerSelect a pack of riddles and try to solve it in an interesting way.
This riddle appears in the following downloadable PDF files: