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

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?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

What have one eye but still cannot see?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Can you find the missing piece of the Porsche?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

If you say my name, I will no longer exist. What am I?