Medium logic riddles for teens with simple answers

What is it that when you take away the whole, you still have some left over?

What belongs to you but others use it more than you do?

What has no beginning, end, or middle?

It is greater than god, more evil than the devil, the poor have it, the rich need it, and if you eat it, you will die? What is it?

Armored but not a knight, snapping but not a twig, and always at home, even on the move. What am I?

Think of a number. Double it. Add ten. Half it. Take away the number you started with. What is your number?

What kinds of stones are never found in the ocean?

I dig out tiny caves, and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help, yet many people are afraid to let me help them. What am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

Mr. Jason was walking along the sea shore. Suddenly it started drizzling and turned into a heavy rain. He wasn’t carrying any umbrella, not even any cap. He was completely wet and all his clothes were soaked in rain. Yet not even a single strand of his hair was wet! How was that possible?