What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

If eleven plus two equals one, what does nine plus five equal?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

Where do you go to learn how to make ice cream?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What has hands, but can’t clap?

Which number should replace the question mark?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?