Logic Riddles

Question: What word begins with letter H, but add it with W and it becomes another word yet pronounced just the same?

Question: Why are the floors of basketball courts always so damp?

Question: How do you run around your block 10 times without breathing heavily?

Question: if last year "shoe" was written with a "s" how do we wright it today

Question: A truck that can carry 2 tons and is is on a bridge that can support up to 2 tons. Will the bridge break?