Interesting questions in China exam

62-63= 1 is an incorrect equation. Can you move a number to make this equation hold? This is the plan of Fudan University.

At that time, no one had worked out the topic of the entrance examination for doctor of computer science. The tutor who gave the question said it was a very

Making of a man's magic topic can find the beloved girl, and women can find it by making magic topics.

His prince charming. Usually you can't do it when you get married. Only one number can be moved!

2 to the 6th power -63= 1

the first group

1. It takes 1 hour to burn an uneven rope from beginning to end. Now several ropes are made of the same material. How to time an hour and fifteen minutes by burning rope?

You have a bucket of jelly, including yellow, green and red. Close your eyes and grab two of the same color. How many can you catch to make sure you have two jellies of the same color?

3. If you have unlimited water, a 3-liter spatula and a 5-liter spatula, and the shapes of the two spatulas are uneven, how can you accurately weigh 4 liters of water?

A fork road leads to an honest country and a lying country. Two people came, one from an honest country and the other from a lying country. An honest country always tells the truth, and a liar always tells lies. Now you are going to a country that lies, but you don't know which way to go. You need to ask these two people. How should I ask?

5. 12 ball and a balance. Now we know that only one ball has a different weight from the others. How can we find the ball after three times? 13? Note that this problem does not indicate whether the weight of the ball is light or heavy, so it needs careful consideration. )

6. Draw 10 straight lines on 9 points, with at least three points in each line?

7. In the 24 hours of a day, how many times do the hour hand, minute hand and second hand of a clock completely coincide? When are they? How did you work it out?

8. How to plant four trees so that the distance between any two trees is equal?

the second group

1. Why is the cover of the sewer round?

2. How many cars are there in China?

3. Insert the car key into the door, which direction can you turn it to unlock the car?

4. If you want to remove any of China's 34 provinces (including autonomous regions, municipalities directly under the Central Government, Hongkong, Macao Special Administrative Region and Taiwan Province Province), which one would you remove and why?

5. How many gas stations in China can satisfy all cars?

6. Imagine that you are standing in front of a mirror. Excuse me, why can the image in the mirror be upside down, but not upside down?

7. Why is it that when hot water is turned on in any hotel, it will gush out instantly?

8. How do you explain the use of Excel to your grandmother?

9. How do you redesign and redesign an ATM?

10. If you have to learn a new computer language again, how do you plan to start?

1 1. If you plan to get a return within five years of your career, what is the motivation to get a return? Who is the audience?

12. If Microsoft told you that we would invest 5 million dollars to start your investment plan, what kind of business plan would you start? Why?

13. If you could gather computer manufacturers all over the world in one office and tell them that they would be forced to do one thing, what would it be?

Third groups

1. You let the workers work for you for 7 days, and the reward is a gold bar. This gold bar is divided into seven connected parts, and you must give them a gold bar at the end of each day. If you were only allowed to break the gold bars twice, how would you pay the workers?

2. One train leaves Beijing at a speed of 15km/h and goes straight to Guangzhou, and the other train leaves Guangzhou for Beijing at a speed of 20 km/h. If a bird sets off with two trains at the same time at a speed of 30 km/h, it sets off from Beijing, meets another car, and then returns to fly in the opposite direction, so it flies back and forth between the two trains in turn until the two trains meet. How long did the bird fly?

You have four jars containing pills, and each pill has a certain weight. The contaminated pill is the weight of the uncontaminated pill+1. Weighing only once, how to judge which can of medicine is contaminated?

4. The three switches outside the door correspond to the three indoor light areas respectively, and the wiring is good. When you control the switch outside the door, you can't see the light in the room. Now you are only allowed to enter the door once, and determine the corresponding relationship between the switch and the light?

5. Why does RMB only have a face value of 1, 2,5, 10?

6. You have two cans, 50 red marbles and 50 blue marbles. Choose a jar at random and put a marble in the jar at random. How do you give the best chance to choose red marbles? What are the chances of getting the red ball in your plan?

7. Give you two faces with six faces. You can engrave any number from 0 to 9 on each surface and ask them to spell the date value of any year.