Logic Riddles

Question: You come across a Native American tribe and the leader wants to kill. He tells you, you can say your final words. If you tell the truth you will be burned at the stake. If you lie he will shoot you. What do you say to ensure survival?

Question: What goes around comes around?

Question: If you're in 3rd place and you passed the person in 2nd, what place are you in?

Question: Flies hate us with a passion, who are we?

Question: A smart landscaper is given the task of placing 4 trees so that they are all the same distant away from each other.

How does he do this?