Best riddles for teens

I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty.

Dean Sam and Castiel are three brothers. Interestingly their current age is prime. What's more interesting that difference between their ages is also prime. How old are they?

It will never ask you any question, but you will still answer it. What is that?

A girl was ten on her last birthday, and will be twelve on her next birthday. How is this possible?

Farmer Brown came to town with some watermelons. He sold half of them plus half a melon and found that he had one whole melon left. How many melons did he take to town?

There is bomb on top of a computer; around the computer are a hairbrush, keys, phone and a cup. When the explosion comes, what item destroyed first?

What's the best thing to put into a Christmas cake?

Feed me and I live, yet give me a drink and I die.

What is it that has hands, yet is unable to clap?

Sometimes I am loved, usually by the young. Other times I am dreaded, mostly by the old ones. I am hard to remember, also hard to forget. And yet if you do, You'll make someone upset. I occur every day everyone has to face me. Even if you don't want it to happen; embrace me. What am I?