Riddles about people

simplelogictricky

You see a boat filled with people. It has not sunk, but when you look again you don't see a single person on the boat. Why?
All the people were married.
73.75 %
73 votes
simpleclean

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?
Place the apple on one person's head.
73.05 %
71 votes
mathtricky

As I was going to the mall I met a man with seven wives. Each wive held two bags, each bag held a mother cat, each mother cat had six babies, How many people were going to the mall?
Just one.
72.18 %
60 votes
logicmathmysterydetective

100 people are standing in a circle. The person standing at number 1 is having a sword. He kills the person next to him with the sword and then gives the sword to the third person. This process is carried out till there is just one person left. Which number survives at the last?
73rd person will survive at last. If the number of players is the power of 2, the last person to survive will be the one who started it. But since the number here is not the power of 2, we will take the greatest power of 2 that is less than the number of players (100) which is 64. So when starting with 100 players - we need to kill 36 of them to get down to a power of 2 (64). Since we kill every other person starting at player 2 the last person we need to die is player 72, they will be killed by player 71 and the first person in the effective power of 2 game, who will win is player 73. It's worth noting that this process of reducing to a power of 2 will always be completed in the first round regardless of the number of players. Consider X players, let Y be the highest power of 2 that is less than or equal to Y The winning player is 2 * (X - Y) + 1
39.37 %
188 votes
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