Easy clean riddles for teens

There is a boat with a ladder attached to it, the ladder is eight feet tall. If the water rises four feet how much of the ladder will be on top of the water?

What is something you will never see again?

Today is Admin's birthday. His five close friends Nell, Edna, Harish, Hsirah and Ellen surprised him with party. What is special with this list of these five names?

What can you swallow than can also swallow you?

What can you hold in your left hand, but not in your right hand?

What is always coming but never arrives?

What kind of room has no doors or windows?

What is the last thing you take off before bed?

Which city is three fifth chick two third cat and 50% goat?

Throw away the outside and cook the inside, then eat the outside and throw away the inside. What is it?