1. Name an ancient invention, which is still used in some parts of the world today, that allows people to see through walls.
2. A Donkey is tied to a rope 6 feet long and there is a bale of hay 8 feet away. How can the donkey get to the hay if he does not bite or undo the rope?
3. You have a barrel, filled to the top with water, which weighs 150 pounds. What can you add to the barrel in order to make it lighter?
4. Can you find something which has keys that open no locks, with space but no room, and allows you to enter but not to go in?
5. A group of Englishmen are travelling on a German plane, piloted by an Norgwegian, bound for Finland. If the plane was to crash in Sweden, where would the survivors be buried?
2. A Donkey is tied to a rope 6 feet long and there is a bale of hay 8 feet away. How can the donkey get to the hay if he does not bite or undo the rope?
3. You have a barrel, filled to the top with water, which weighs 150 pounds. What can you add to the barrel in order to make it lighter?
4. Can you find something which has keys that open no locks, with space but no room, and allows you to enter but not to go in?
5. A group of Englishmen are travelling on a German plane, piloted by an Norgwegian, bound for Finland. If the plane was to crash in Sweden, where would the survivors be buried?