You knock a Table over in the library, and suddenly 20 eyes are looking at you.

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

what does this below rebus represent identXQQQQQME

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

What has many keys but can’t open a single lock?

What country can make you shiver?

What is the riddle which can be asked all day with a different correct answer each time.

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Find the next number in the sequence

1, 2, 6, 21, 88, __?