Paterns In the following sequence, what are the next two symbol? 31, 28, 31, 30, ___, ___
Solution: 31 and 30, the pattern is the number of days in each month; January - 31, February - 28 and so on.
The Color of the Bear
A hunter looks directly south and sees a bear hiding behind a tree in a distance of about 100 metres. To take aim at the bear he goes about 100 metres directly east, aims directly south again and shoots the bear. What color was the bear?
Solution: White, the hunter must be at the North Pole.
Apples and Lemons
In the garage behind his house, Bill keeps three big boxes. One of the boxes is labeled "Apples", another one "Lemons" and the last one "Apples and Lemons". The only thing Bill knows is that none of the labels is correct! How could Bill correctly re-label all the boxes, if he is only allowed to take out ONE object from ONE of the boxes and look at it?
Solution: All the boxes are mismarked. Therefore Bill should reach into the box marked "Apples and Lemons"...
If he pulls out an apple, the entire box must be marked "Apples". Therefore, the box marked "Apples" must contain lemons and the box marked "Lemons" must contain apples and lemons.
If he pulls out a lemon, the entire box must be marked "Lemons". Therefore, the box marked "Lemons" must contain apples and the box marked "Apples" must contain apples and lemons.
