In which direction should the missing arrow point?

What have one eye but still cannot see?

What has one letter and starts with an E?

A man dies of old age on his 25 birthday. How is this possible?

Where do fish keep their money?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?