Logic Riddles

 

By Martin Gardner

Question: You are in a room with two metal rods and no other metal. One of them is magnetized and the other is not.

How can you determine which one is magnetized and which is not?


Question: It's a question you can ask all day long and get completely different answers although these answers could be correct. What question is it?

Question: You are awoken at 3 A.M. by a knock on your door. Your parents call you to let you know that they are there for breakfast. You are confused but quickly think of what food you have. You have bread, jam, butter, and eggs. What do you open first?

Question: There is a brick of gold and a brick of iron in a boat (both 10 inch blocks), if they are both dropped into the water which will make the water level higher?

Question: A man was sitting on his couch and searching for the English Channel.

How did he find it?