More Puzzles
Cross the River
A man wants to take a fox, a goose and a sack of corn across a river in a small boat. He can’t leave the fox alone with the goose, or the goose alone with the corn. He can only carry one at a time with him in the boat. How can he get them all across the river?
Apples and Oranges
You have three boxes of fruit. One box of apples, one of oranges and one contains a mixture of apples and oranges. Each box is labeled: one says "Apples", one says "Oranges", and one says "Apples and Oranges." Unfortunately, all three labels are on the wrong boxes. You can pick one piece of fruit from only one box. You can’t see inside any of the boxes. If you choose wisely, you can tell what is in each box. Which box do you choose? How can you tell what is in all three boxes, by taking only 1 sample from 1 box?
Cannibals and Missionaries
Three missionaries and three cannibals want to cross a river in a small boat. The boat can only carry two at a time. The cannibals must never outnumber the missionaries on either shore, even if one stays in the boat. How can they all cross the river?