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

When is the top of a mountain similar to a savings account?

What is the below Rebus indicate?

What does it mean?

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?

Why is it very easy to weigh a fish?

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

Why is 6 afraid of 7?