At a four-legged table, there is one grandma, two mothers, two daughters and a granddaughter. How many legs are under the table?
Two jets take off at the same time. There is only one runway but there where no crashes and it was at the same airport. A plane takes more than one minute to take off. How can this happen?
A man is trapped in a room. In the room there is a table, chair, 2 doors, and a small hole in the ceiling 12 inches in diameter. Behind one of the doors is an extremely hungry lion that hasn't eaten in a couple of days. Behind the other door is a glass tunnel that magnifies the sun creating temperatures so high that even opening the door could kill you.
How does the man escape?
You are trapped in a room with two doors. You know there is a pack of hungry lions, certain death, past one door, and freedom behind the other. There are also two people, one guarding each door. They both know which door has freedom. One always tells the truth, the other always lies. You don't know who is who. You ask the person guarding door 1 one question. Then you need to choose a door. What question do you ask to give you a 100% chance of survival?
At a coffee shop, the table has only 1 leg, and the chairs have 4 legs. If there are a total of 68 legs, and there are at most 4 chairs at each table, what is the most number of chairs in the coffee shop?
Note: Every chair must be at a table.
