There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Identify the 10 differences between the two given pictures.

Count the number of triangles in the given picture.

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Replace the question mark in the picture below.

With the help clues provided in the image, can you find the 5 digit key?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?