Math 2000 Just For Fun

  1. Read and Think Carefully!!

  2. Read and Think Carefully!! The following questions have reasonable and consistent answers. Read them carefully!

  3. Ten barrels are filled with golf balls that look identical. All but one of the barrels are filled with normal golf balls that weight one ounce; but the balls in one barrel all weight two ounces. With one weighing on a scale that gives weight in ounces, how can you determine which barrel has the heavy golf balls?

  4. Three boxes are labeled APPLES, ORANGES, and APPLES AND ORANGES. Each label is incorrect. By selecting one fruit from one box can you determine the correct labels? Explain.

  5. The following dialogue takes place between four people who are planning to go to a costume ball, each dressed as one of the others. Who will be dressed as whom?

  6. The House Puzzle. QUESTIONS: Who drinks water? Who owns the zebra?

  7. Several photographers leave their camp looking a for a bear. They walk 15 miles due south, then 15 miles due west, and then they sight a bear. They walk another 15 miles to return to their camp. What color is the bear?

  8. In a particular scout troop, 70% of the scouts have a compass, 75% have matches, 85% have a knife and 85% have a watch. What percentage of the scouts (at least) have all four items: a compass, matches, a knife and a watch?

  9. Suppose you are traveling with a fox, a goose and a mouse when you come to a large river. The only way to cross the river is with a raft that holds at most you and one animal. Furthermore, if left unattended by you, the fox will eat the goose and the goose will eat the mouse. How many trips in the raft will it take to get you and your three pets across the river (alive)?
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