1. There are eight people in a certain family. Six of them can play chess, five can play Go, and four can play chess. What is the maximum number of people who can play three kinds of games, and the minimum number of people?
2.A, B, and C are running on the circular playground. A runs three times per minute, B runs two times per minute, and C runs one time per minute. The three of them started from the same starting line at the same time. How long did it take for them to meet again at the starting line?
3. Hans is a homeless man, and the cigarettes he smokes are made from cigarette butts picked up on the street. He uses five cigarette butts to make a cigarette at a time. Now he picked up 25 cigarette butts and asked him how many cigarettes he could smoke in total?
4. How long did a person live who was born in 10 BC and died on his birthday in 10 AD?
5. One day, Amin went to the stadium to watch a track and field competition and saw the 10,000-meter finals taking place on the 400-meter circular track. He found that there were five people running in front of his friend's pony, and five people behind him. How many people will participate in the 10,000-meter final?
6. At the evening party organized by the class, the class teacher must pass the intelligence test to select the program host. He asked the whole class to stand in a row, and they could choose where to stand. After standing up, the teacher asked people in odd-numbered positions to stand forward again and again, and finally asked the remaining two students to be the hosts of the show. Now it is known that there are 50 people in the class. If Lele wants to be the host of the show, where should he stand?
7. Xiaojing is studying in the county primary school. When he goes home, he takes a car for the first half of the journey, four times faster than he usually rides a bicycle. For the second half, he has to walk home, which is half as slow as his usual bicycle ride. Did Xiaojing take less time to go home this time than usual?
8. There are obviously four people in the family. The total age of the whole family is 73 years. My father is 3 years older than my mother, and obviously 2 years older than my brother, but four years ago, the combined age of their family was 58 years old. May I ask how old everyone in their family is now?
9. A cup of coffee and a cup of milk. Scoop a spoonful of milk from the milk cup, pour it into the coffee cup , stir evenly, then scoop a spoonful of the mixed coffee milk into the milk cup, and stir evenly. Is there more coffee in the milk cup, or is there more milk in the coffee cup?
10. The brothers want to buy a book. The elder brother is short of 5 cents, and the younger brother is only short of 1 cent. The two of them pooled their money to buy a copy, but the money was still not enough. What is the price of this book? How much money do each brother have?
11. A passenger bus drove out from place A to place B. At this time, there was a cyclist going from place B to place A. I would like to ask: When a cyclist and a passenger car meet, who is far away from point A?
12. There is a kind of bacteria. After one minute, it divides into two. After another minute, it divides again and becomes four. In this way, it took an hour to put a bacterium in the bottle until it was full. If two of these bacteria are placed in the bottle at the beginning, how long will it take to fill the bottle?
13. Put eggs into a basket. The number of eggs in the basket doubles every minute. After 12 minutes, the basket is full. At what point is half the basket of eggs?
14. A bus leaves from the starting station with passengers. At the first stop, 6 people got on the bus; at the next stop, 5 people got off and 4 people got on; at the next stop, 2 people got off and 8 people got on; at the next stop, 5 people got off and 7 people got on. ; At this time, the car started to turn. When the car turned the corner and stopped at the platform, 6 people got off and 6 people got on. At the next stop, 3 people got off and 3 people got on, and then the car drove to the terminal. . How many stops does the bus make between the starting station and the terminal station?
15. One night, Xiaohua was reading in his dormitory when the power suddenly went out and the room became dark. He quickly took out a box of matches. There is a kerosene lamp and a candle in the house at this time. What will he light first?
16. There are two people, one facing south and one facing north. They are not allowed to look back, move around, or look in the mirror. Ask them if they can see each other’s faces?
17. There are no stars in the sky, and there is no moon.A car without turning on its headlights was speeding down a dark road. Suddenly there was a "quacking" sound and the car stopped. The driver jumped out of the car, picked up a piece of black cloth lying on the road, got into the car, and drove away. Ask the driver how he found a piece of black cloth on the road?
18. There is half a bottle of wine, and the bottle mouth is blocked with a cork. If you are not allowed to break the bottle, remove the cork, or drill holes in the cork, can you drink the wine from the bottle?
19. The teacher brought five apples in a basket and prepared to distribute them to the five children. He let the children divide it themselves. Each of the five of them gets one, but there is still one left in the basket. How should they be divided?
20. A person with stomach problems always goes to the eye hospital. Why is this?
21. There is a small vendor who is engraving characters on the street. The price list he hangs out reads like this: 4 corners for "regular script"; 6 corners for "Imitation Song Dynasty"; 8 corners for "your name"; 8 corners for "you". Lover's name badge" 1.2 yuan. What is the unit price for his engraving?
22. Two people came to the river at the same time. They both wanted to cross the river, but they only had one small boat, and the small boat could carry one person. Please, can they all cross the river?
23. Two chess friends played a total of nine games of Go in one day. Without a tie, they won the same number of times. What's going on?
24. One person holds a shotgun, and another person hangs up a hat, then blindfolds the person holding the gun, and asks him to turn back, walk ten steps, then turn left, walk ten steps, and finally let him Turning around and shooting at the hat, he shot the hat. Is this possible?
25. One night, Lao Li was reading. When Lao Li's wife came back, she turned off the light. The room was dark, but Lao Li was still reading. Is this possible?
26. There were a man, a mother, a brother and a sister. There were only six sesame cakes, but each of them got two. May I ask how is this going?
27. There are two children with the same parents and the same birth date, but they are not twins. What is their relationship?
28. A few days ago, Xiao Gao and his parents traveled abroad for the first time. The three of them came to a completely unfamiliar country. His parents seemed at a loss because of the language barrier. Only Xiao Gao did not feel any inconvenience, as if he was still in his own country. What's the point of this?
29. Three brothers were selling apples, and they decided to sell each apple at the same price. At the beginning, the eldest brother had 11 apples, the second brother had 10 apples, and the younger brother had 9 apples. However, the three brothers finally sold the money for exactly the same amount. Is that why?
30. A certain rich man’s neighbors both have dogs. At night, the two dogs bark non-stop. Unable to bear the torture, the rich man paid 10,000 yuan for moving expenses, hoping that his neighbors would move away. The two neighbors moved away together with their dogs, but every night, the rich man still heard the exact same dog barking. Is that why?
31. There was a car accident on the highway, and the police and ambulance personnel rushed to the scene quickly. They found that the driver was intact and the overturned car was stained with blood inside and outside, but they did not see the dead or injured. Is that why?
32. A child asked his father a question: "What are the two things that are also 28 kilograms and one is also 28 kilograms?" His father was puzzled. Do you know what this is?
33. The last man on earth was sitting at his desk writing a suicide note when he suddenly heard a knock on the door. Is it a ghost, an alien, an animal? None. It's not the sound made by inanimate things like wind or stones. It is absolutely true that he was the last man on earth. In this case, who knocked on the door?
34. Mr. Hyman runs a store in a small town. He has never left this small town in his life. His height is 2.2 meters. One day, a 2.4-meter-tall gentleman visited this small town and visited Hyman's store. Hyman was frightened and said: "This is the first time in my life that I have seen anyone taller than me." After hearing this, the tall gentleman said: "No, sir, absolutely impossible."Excuse me, why did Mr. Tall say it is impossible?
answer
1. The most is four people, the least is no one.
2. One minute later.
3.6 branches.
4. 19 years old.
5. Six people.
6 . Should stand at No. 1 or No. 33.
7. Not less but more.
8. The key to answering this question quickly is to infer that Mingming’s younger brother was not born four years ago and find out first. Mingming's younger brother's age. Finally, the ages of their family are: 34 years old, 31 years old, 5 years old and 3 years old.
10. The price of this book is 5 cents. 4 cents and 9 cents.
12.59 minutes.
14.6 This question mainly measures a person’s attention span. Pay attention to the number of people getting on the bus, but ignore the number of stops.
15. Light the match first, otherwise you can't light anything.
17. It's broad daylight. Yes. Put the cork into the bottle.
19. Each of the five people has one.
20. Because he is an ophthalmologist.
22. Yes. The two men were on opposite sides of the river.
23. The nine games they played were not all played between them.
24. Maybe, because the other person hung his hat on his gun.
25. Maybe. Lao Li reads Braille.
26. There are only three of them: son, mother and uncle.
27. Xiao Gao is a baby.
29. Because they are sold in two parts. The first time they sold for 2 yuan each, the eldest brother sold four, the second brother sold five, and the younger brother sold six. The second time they sold for 1 yuan, each of them sold the rest.
30. The left neighbor moved to the right neighbor's house, and the right neighbor moved to the left neighbor's house.
31. This is a blood donation cart.
32. The child's weight was measured with one foot on the scale and two feet on the scale. When called above, the effect is the same.
33. The last woman on earth.
34. When Hyman was young, he must have seen people taller than him.
score allocation
1 point for each question, and the test time is half an hour.
score analysis: People with a
score of 30 or above have reaction abilities beyond ordinary people. You can respond accurately and quickly to various emergencies; those with a
score of 20 to 29 points have excellent reaction abilities and can detect subtle changes in things around them;
scores of 15 to 19 points People with average reaction ability are often at a loss for sudden things and have no solution; for people with
scores below 15, your reaction ability is very slow and you cannot detect obvious changes in things. Things tend to go their own way, and they often hit walls at work.
