Short medium logic riddles for teens

What does this stand for? 26 Ls of the A

An iron horse with a flaxen tail. The faster the horse runs, the shorter his tail becomes. What is it?

Find three positive whole numbers that have the same answer added together or when multiplied together.

What do you throw out when you want to use it, but take in when you don't want to use it?

You see a boat filled with people. It has not sunk, but when you look again you don't see a single person on the boat. Why?

What has a head like a cat, feet like a cat, a tail like a cat, but isn't a cat?

A word I know, Six letters it contains, Subtract just one, And twelve is what remains.

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

You leave home, make three left turns, and return home where you find two men wearing masks. Who are they?

I create my lair with earthen string and dispatch my prey with a biting sting. What am I?