Question: How many times can you subtract 10 from 100?
Answer: Only once because as soon as you subtract 10 from 100 it now becomes 90, therefore you wouldn’t be subtracting 10 from 100 anymore, you would be subtracting 10 from 90.
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?
Answer: You will shoot me