Puzzle, intelligence sharp turning problem ◆ 1. There is a rectangular cake, cut off a piece of rectangle (size and position), how can you go straight down, cut the remaining cake into two pieces of equalization? Answer: The center of the entire cake is connected to the center of the cutting cake into a line. This method also applies to cubes! Please note that the size and location of the cutting cake is random, don't think about the way you checade, you want to jump out of this circle. ◆ 2. There are three baskets of fruits, a basket of all apples, the second basket is all oranges, the third basket is orange with apples. The label on the basket is lie, (for example, if the label is orange, then you can affirm that there will be only oranges in the basket, there may be Apple) Your mission is to take out one of the baskets, only one from it Just fruit, then write the label of the three baskets of fruits. Tip: With a fruit from the basket labeled "mixed" tag, you can know what the other two baskets are fruit. ◆ 3. You have eight balls. One of them is damaged, so it is better than other balls. You have a balance to compare the weight of these balls. If you only call it twice, how to find the ball with damage? ◆ 4. Why is the well cover of the waterway? Tip: The square diagonal is longer than the side! Other answers: 1 The circular well cover can be moved by a person because it can be rolled on the ground. 2 The circular well cover does not have to rotate it in the wellhead in the wellhead. ◆ How many cars in the United States? ◆ 6. You let some people have worked for seven days for you, you have to use a gold bars as a remuneration. The gold bars are divided into seven small pieces, give a piece a day. If you can only cut the gold bars twice, how do you give these workers? ◆ 7. A railway train from Los Angeles and saves to New York. Another 20 mile of train from New York, driving to Los Angeles. If a bird flew at 25 miles per hour, starting from Los Angeles at the same time, going back and forth between two trains, when the train meets, how far is the bird fly? Tip: Think about the relative speed of the train. ◆ 8. You have two jars, with 50 red glass balls and 50 blue glass balls. I am free to pick up a jar and take out a glass ball from inside. How to maximize the opportunity to get yourself to the red ball? How big is the chance to get the red ball? ◆ 9. Suppose you stand before the mirror, lift your left hand, lift your right hand, look at yourself in the mirror. When you lift your left hand, you look up in your right hand. But when you look up, yourself in the mirror is on your back, not your head. Why is the image in the mirror seem to be reversed, but didn't reverse it? ◆ 10. You have 5 bottles of medicine, 10 grams of each pill, only a bottle of polluted pills change, and each pill is 10 grams. Give you a balance, how can you measure which bottle is contaminated? Answer: 1 gave 5 bottles of 1, 2, 3, 4, 5. 2 Take 1 pill from the No. 1 bottle, 2 pills in the No. 2 bottle, 3 pills in the No. 3 bottle, 4 pills in the No. 4, 5 pills in the 5th. 3 put them all in the balance. 4 Now minus the measured weight with the result of 1 × 10 2 × 10 3 × 10 4 × 10 5 × 10. 5 Results is a bottle number with contaminated pills.
