You have four closed boxes as shown:
While you know all four types of food are inside and each box only contains one type of food, you also know that only one of the boxes is labeled correctly.
What’s the minimum number of boxes that you need to open to be guaranteed (regardless of luck) to find out which one is labeled correctly?
Riddle AnswerIf you tell the truth, I’ll strangle you. If you lie, I’ll chop your head off. How do you get out the situation?
Riddle AnswerThere is a table on which 20 coins are placed. You also know that there are 10 coins with heads up, and 10 coins with tails up. You are blind folded and there is no way to determine which side is up by rubbing, etc.
Your task is to create two groups of coins, each having the same number of heads and tails. You may only move or flip coins. How can you accomplish this while being blindfolded?
Riddle AnswerA certain man had great grandchildren, yet none of his grandchildren had any children. How come?
Riddle AnswerA wise king devised a contest to see who would receive the princess’ hand in marriage. The princess was put in a 50×50 foot carpeted room. Each of her four suitors was put in one corner of the room with a small box to stand on. The first one to touch the princess’ hand would be the winner and become the new king.
The rules of the test were that the contestants could not walk over the carpet, cross the carpet, or hang from anything; nor could they use anything but their body and wits. One suitor figured out a way and married the princess and became the new king.
What did he do?
Riddle Answer