1001 brain teasers that Harvard and Cambridge students are doing

Chapter 4

Creativity training

00 brain teasers

Marshal is one rank higher than general, when is marshal and general equal?

What doesn't get wet when dropped into water?

What is the biggest shadow you see every day?
If the building blocks fall down, they need to be rebuilt. What if the house falls down?

Xiaojun and Xiaoming are neighbors, they live in the same building, they are in the same class, they go to school together every day.However, one turns left when going out, and the other turns right when going out, why?
In the myth "The Legend of the White Snake", what "The White Lady Steals the Immortal Grass" is:

A Ginseng B Cordyceps C Ganoderma lucidum

in chess.

shadow.

The night, the shadow of the earth.

To escape.

They are opposite neighbors.

c.brain teaser

Why do mafia like to wear white gloves?
A circle with a diameter of ten meters was drawn on the grass, with a cow in it, and a wooden stake was inserted in the center of the circle.A cow is tied by a five-meter-long rope. If the rope is not cut or untied, can the cow eat the grass outside the enclosure?
Which is not long bamboo in the earth?

The ancient Chinese sages once soaked the blue coat in the Yellow River, what kind of phenomenon did it produce?
Du Fu's poem said, "Looking at the red and wet place at dawn, the flowers are heavy in the brocade official city"; Li Bai's poem said, "Although the brocade city is full of joy, it is better to return home early."Excuse me, why is Chengdu also called "Jincheng" or "Jinguancheng"?
A is named after Shu Brocade B is named after Jinjiang

Because the hands are too dark.

able.Because the question does not say that the cow is tied to a stake.

Firecrackers.

Clothes are wet.

a.brain teaser

We all know that there are three steps to put an elephant in the refrigerator: 1. Open the refrigerator door; 2. Put the elephant in; 3. Close the refrigerator door.So, what are the steps to put a giraffe in the refrigerator?

One day, Lao Zhang went to the market to buy chickens. After walking around for a long time, he bought 10 roosters and 10 hens. On the way home, he remembered something and hurried to the market to buy 5 roosters and 5 hens. Why?
What is Zhang Fei's mother's last name?
Which country is the most populous in the world?

What kind of legs are the longest? {type an idiom}

Whose residence does the "thatched cottage" in "First Beginners" refer to?
A Liu Bei B Zhuge Liang C Sima Guang D Sima Qian
Four steps: 1. Open the refrigerator door; 2. Take out the elephant; 3. Put the giraffe in; 4. Close the refrigerator door.

Hey (for) Xiaomi.

The surname is Wu (solution: much ado about nothing).

United Nations.

One step to the sky.

b.brain teaser

Which car is the most fuel-efficient to drive?

What is something smaller than bacteria?
You ran more than No.2, where are you?
What do crying and laughing have in common?
There is a girl who does not need to take a shower or change her clothes, but her clothes are the most expensive in the world. Who is he?

The lifestyle of "picking chrysanthemums under the eastern fence and seeing Nanshan leisurely" is longed for by modern people.Excuse me: The month called "Chrysanthemum Moon" is:
A August B September C October

Drive all night.

Bacteria children.

No.2 (the average person answers first).

All are 10 strokes.

She is Lady Liberty.

b.brain teaser

A, B, C, D, E, Ji, Geng, Xin, which word is the coolest?
Who is higher A or C?

What is the most troublesome thing to eat?

What can make our eyes look through a wall?
There is a person who is not an official, but is responsible for the work of the entire company's employees and cadres.What does this person do?

What fruit can't be eaten?
Which of the following things was done by Wu Song, a hero in Liangshan in "Water Margin"?
A upside down weeping willows B Bianjing sells knives C drunk beats Jiang Menshen
Ting (thong).

C high.Because ABCD (A is lower than C).

Take a lawsuit.

window.

Drive the elevator.

as a result of.

c.brain teaser

Where do you love bullfighting?
Xiaobai threw an orange out of the window, but the orange didn't touch anything on the way, it just went through the window and then returned to Xiaobai's hand. May I ask why?
Who will be rewarded?

How do you put your right hand in your left trouser pocket and your left hand in your right trouser pocket?

Xiao Wang is born with great strength. Due to his excessive strength, the ball did not land until 5 minutes after he hit the badminton. Is it possible?
When is it appropriate to describe it as "fire in July"?

A hot summer B summer to autumn

C spring to summer to D autumn to winter to

Cape of Good Hope.

That window is a skylight.

sells newspapers.

Wear your pants inside out.

Possibly, the ball was hit into a tree.

b.brain teaser

When will the clock not tick?

A person accidentally hit a big bump on the back of his head, how would he sleep this day?

Liang Shanbo and Zhu Yingtai became butterflies flying together, what happened after that?
Who is always afraid to take a bath?

What means of transportation is more frightening the slower it is?
What do you have, and others also have, although it is something outside your body, but you can't exchange it?

In Peking Opera, the young women who play lively and cheerful characters should be:

A Tsing Yi B Huadan C Caidan

the clock wouldn't go
Close your eyes and sleep.

Many small caterpillars were born.

clay figurines.

Airplane in flight.

Name.

b.brain teaser

What kind of car can't move an inch?
Xiaoan is watching TV, the TV seems to be malfunctioning, there is video but no sound.However, he knew exactly what the characters in the TV show said.He hadn't seen the show before, and of course he couldn't read lips, and there was no sign language interpreter on the show.Why would he know?

metallurgy. {Type a book (novel) title}
Dumb fell from the hot air balloon, but was not injured, why?
In the story of "Jingwei Filling the Sea", "Jingwei" is:

A alone B a bird
C a monkey D a dragon
windmill.

There are subtitles.

"How the Steel Was Tempered".

Because the hot ball is on the ground.

a.brain teaser

When you pinch your nose, what can you not see?

What is used to determine the age of a chicken?

How can we turn ignorance into knowledge?
There was a death row prisoner who was shot twice and survived the execution of the sentence. He didn't die until the third shot. Why?
How do people who have raised electronic chickens and electronic dogs feel?
The "Hundred Family Surnames" popular in old China was written in:

A Northern Song Dynasty B Tang Dynasty C Spring and Autumn Period

nose.

tooth.

Do not remove.

Underneath he was wearing Three Guns underwear.

Chickens and dogs are restless.

a.brain teaser

Chang'an a month, what is the word?

Why is seawater salty?

Who is the person who only loves to inquire about other people's affairs?
Can you cover the sky with leaves?
A cow, walk 10 meters to the north, then 10 meters to the west, then 10 meters to the south, back up and turn right, ask where the cow's tail is facing?
The mathematician Gauss is known as the "Prince of Mathematics", but not everyone is convinced that he can get this reputation.One day, an arrogant young man who claimed to be a genius came to Gauss, trying to confuse Gauss with a problem, so as to take away his title of "Prince of Mathematics".He took out six puzzle pieces A, B, C, D, E, and F, and asked Gauss to choose two pieces to form the above figure.Gauss discovered the trick at a glance and came up with three spellings.The young man knew he was reckless, so he walked away in despair.May I ask how Gauss spelled it?
swell.

Fish shed too many tears.

reporter.

can.Just cover the eyes with leaves.

towards the ground.

As shown below.

Brain teasers

In addition to the train, which car is the longest in the world?
Four people were playing mahjong in a hut (no one else was watching), when the police came, all four of them ran away, but the police arrested another person when they arrived in the house, why?
Why do black people like to eat white chocolate?
What if the needle falls into the sea?
Student: "Teacher, I dreamed that I became a composer. How can I turn my dream into reality?"

Teacher: "Sleep less!"

Tommy: "Teacher, Rabin just scolded me and told me to go to the devil."

Teacher: "So, what did you do?"

Tommy: "I'm here, sir."

Traffic jam.

Four people beat a man named "Mahjong" in the house, and the police caught him.

Afraid of biting my hand.

Buy another one.brain teaser

There is a person walking on the beach, but he can't see his own footprints when he looks back, what's going on?

Why does it take an hour for a migratory bird to fly from the south to the north, but it takes two and a half hours to fly from the north to the south?
Why are children always playful during the day?

Dudeney is a mathematical genius, and here is a very difficult heptagonal puzzle he came up with.Please fill in the numbers from 1 to 14 in the circle in the picture below (cannot be repeated), so that the sum of the three numbers on each side is equal to 26.

Because he walked backwards.

Two and a half hours is one hour.

Tonight the child is going to bed.

As shown below.

Brain teasers

Why does Fang Fang not see any beef when he eats beef noodles?
Why is there not a difficult word in Napoleon's dictionary?
Ding Ding raised 10 cows, why only 19 horns?

According to the law, what letters can be filled in the place of "?" to complete the disc?

Fang Fang ate beef instant noodles.

He used a French dictionary.

One of them is a rhino.

H.Calculated according to the positive serial numbers of letters in the alphabet, the sum of the serial numbers of each outer letter and inner letter is 17.brain teaser

Mike is the fastest runner, why does his leader criticize him?

One of the two faces south and the other faces north. If they don't look back, walk around, or look in the mirror, can they see each other?

What flowers can only be seen from a distance?

Venice is a world-famous water city, with dense rivers in the city, and most people go out by boat.Due to the different types of boats on each river, the boat fare is also different, and each route is marked with the boat fare.If you choose the cheapest route from point A to point B, can you mark this route in the picture below and figure out how much the lowest boat fare is?

Run away.

can.Because they are standing face to face.

fireworks.

The cheapest route is shown in the diagram below.The minimum boat fare is 13.

Brain teasers

The glass is not made of wood, but why is the word "cup" next to the word "wood"?
Why does Li Daniu never eat with chopsticks, spoons or forks?

Who deceives others and deceives themselves?
What word is used all over the world?

Which number should be filled in the last circle to complete the puzzle?
There is a "no" next to it.

Li Daniu is not human.

fraud.

Arabic numerals.

6.Because the numbers on the left in the second row of circles are the sum of the corresponding numbers on the left side of the first circle and the middle circle in the first row; The sum of the corresponding numbers.brain teaser

When is the moon seen at its largest?
Which tooth came out last?

Lan Lan was not sick, but why did she open and close her mouth all night?
What is the most deceitful?
Fanfan's father likes to collect some weird things.Once, Fanfan entered Dad's study and saw the clock on the table showing 12:11. Twenty minutes later, he went to his father's study, only to see the clock showing 20:11.Fanfan thought it was very strange. After 51 minutes, he checked the clock again and found that it showed 40:12 this time.During this period of time, no one touched the clock, and there was only this clock in the room, and Dad was using this clock to check the time. What is going on?
When going to the moon.

denture.

She eats melon seeds.

magician.

这是一个镜像时钟，需要通过镜子映照才能看到真实的时间。事实上，数字都是反过来的，即12点11分是11点51分、11点51分是12点11分、12点51分正好也是12点51分。

Brain teasers

A patient went to the hospital for a health checkup, and the doctor said, "Stay away from me." What disease does this patient have?

Which train has the fewest cars?
Doudou can walk only three months after she was born, why?
Xiaofeng, a blind man who is blind, walked to an uncovered sewer hole, why didn't he stumble and fall into the hole, but turned around and walked back?
"The latest news from our station is that there was a vicious wounding incident on Xiangyang Road. Two gangsters injured 110 of my police officers and fled..." After the broadcast, the announcer himself felt puzzled: This gangster is too arrogant. He actually wounded more than 100 policemen and managed to escape. Could it be that he was a martial arts master? After looking more carefully, he realized that he had made a mistake. The manuscript said "110 Police Officers".

cross-eyed

Firetruck.

Doudou is a puppy.

I didn't bring a cane, so I went back to get it.brain teaser

One apple minus one apple, one word.

What house caught fire and no one came out?
Why did the healthy duck drown in the river?
The four interesting maps below A, B, C, and D are the four provinces of our country. Please identify them according to the shapes of these maps.

zero.

mortuary.

Can't think of committing suicide.

A is Jiangsu, B is Jiangxi, C is Zhejiang, and D is Shandong.brain teaser

The Liang family has three daughters. Who has the hottest body, the eldest daughter, the second daughter, and the third daughter?
Mrs. Zhang often opened her mouth as if she was demented. Her family members advised her to close it to prevent flies from flying in. Why did she insist on not closing it?

What can be big or small?
Xiao Ran took 100 yuan to buy something for 75 yuan, but the boss only gave him 5 yuan, why?
Roll a piece of regular writing paper into a tube and place your left hand flat on the left side of the tube.Open both eyes, then look in with the right eye.May I ask what you will find?
eldest daughter.Older gingers are more spicy.

Let the flies fly out.

Careful.

He gave the boss 80 yuan.

You will notice what appears to be a hole in the palm of your left hand.This is an illusion.Because the right eye only sees the inside of the paper tube, while the left eye sees a flat palm, the images received by the two eyes will be synthesized into a three-dimensional image in the brain.brain teaser

If there are no chickens on a farm, why are there eggs?
The beautiful princess no longer hangs mosquito nets after she gets married, why?
If two are a pair and three are a gang, what about four and five?

On the bus, two people were having a lively conversation, but no one around could hear a word.Why is that?
Why does a person often jump from a height of more than 10 meters?
A foreign female student studying Chinese at a certain university used the idiom "love at first sight" to make a sentence: "I did all my homework last night, and I couldn't help screaming at first sight!" "No, you can't take the idiom apart." The young man the teacher corrected. "I fell in love at first sight when I arrived at school this morning, so I said hello to her." "It's not right, it's not right." She looked at the male teacher and said, "I fell in love with you at first sight..." "It's right this time! Ah? No... The male teacher blushed and said, "The sentence is correct, but the object is wrong."

There are ducks laying eggs.

Married to the Frog Prince.

group.

They talk in sign language.

Diving Athlete.brain teaser

Polar bears look sluggish, but they are quick when catching prey.However, it couldn't catch the newborn penguins.Do you know why?

What does the story of "Wolf is Coming" tell us?
Lao Wang is over half a hundred years old, why does he always like to hang around women?
May I ask which number should be filled in the question mark in the "T" diagram below?
Penguins are at the South Pole, and polar bears are at the North Pole.

A lie can only be told twice.

He is a cosmetics salesman.

56.In each graph, the second number in the vertical row is the product of the number on the left and the middle number in the horizontal row.The third number in the vertical row is the product of the number on the right and the middle number in the horizontal row.brain teaser

Where is there no people or animals to make people laugh, but people love to laugh too?
Mr. Li brought this high-end foreign-made umbrella to the company, but when he returned, the umbrella was gone.Mr. Li is not only not sad, but very happy.Why?

Ms. Sun stabbed people everywhere with a needle. Why did no one blame her, but thanked her instead?

People call people who know themselves very well "confidantes". The term "confidantes" comes from the friendship between two people?
A Liang Shanbo and Zhu Yingtai B Yu Boya and Zhong Ziqi
photo studio.

Umbrella seller.

Acupuncture doctor.

b.brain teaser

Three poached eggs are shared among three people, and each person eats one egg yolk, but there is still one egg yolk left. Why?
Have aliens ever been to the moon?

Sisi likes reading the most. Every time she goes to the library by herself, she borrows books to read at home.This day, she wanted her father to accompany her.Someone who knew Sisi asked her, "Why do I need my father to accompany me today?" Sisi said that the books she wanted to borrow this time could not be borrowed without the company of her parents.We know that the library where Sisi borrows books does not require children to be accompanied by their parents to borrow books.So what kind of book did Sisi want to borrow this time?
The beautifully shaped vase pictured below was assembled by a skilled craftsman from the broken pieces of porcelain next to it.Please observe carefully and write the corresponding number on the broken porcelain pieces.

There is a double yolk egg.

Yes, earthlings.

The book was too heavy for her to lift by herself.

A：6、7、8、1；B：2、3、4、5；C：12、11、10、9。脑筋急转弯

As soon as someone passed by Xiao Ming's house at night, the watchdog would bark for 1 minute. Three people passed by last night, and the dog only barked for 2 minutes. Why?
A notice board next to a certain road reads: "People who read this notice will never do it." This is a notice board promoting traffic safety. What is written on it?

A deaf-mute went to a hardware store to buy nails. He separated the index finger and middle finger of his left hand to make a nail, and then stretched out his right hand to make a hammer.The waiter took out the hammer for him, he shook his head, and brought him nails, which he bought with satisfaction.Then came a blind man, how can he buy scissors?

Which of the following containers should honey not be stored in?

A glass bottle B iron can C ceramic jar
The two passed by at the same time.

Don't look aside.

The blind man can talk and tell the waiter what he wants.

b.brain teaser

Once, Grandma Wu bought a dog and a basket of bones. When she was resting, she tied the dog to a roadside tree with a 5-meter rope and placed the bones 8 meters away from the dog. After a while, she found that the dog had taken the bone away. Do you know why?

There is an art gallery that specializes in collecting world-famous paintings, and each painting has a huge insurance against theft, but there is only one painting that is not insured at all.It was a painting by a very famous painter, and it was one of the most popular exhibits in the museum.Why not insured?

"Success is Xiao He, failure is Xiao He" Whose experience is it talking about?

A Liu Bang B Xiang Yu

C Han Xin D Zhang Liang

Got picked up by another dog.

Mural.

c.brain teaser

What is the most logical explanation for "a good horse never turns back"?
What in the world doesn't have a price tag?
Who wants as many children as possible?
People often draw arrows unknowingly, when was that?
Why do men and women break up?
Xiao Ming can only spend money, spend a lot of money every day, but he became a millionaire in the end, why?
The "Sikong" in "Common" refers to:
A A poet in the Tang Dynasty B An eminent monk in the Tang Dynasty C An official position

The grass behind was eaten up.

affection.

toy maker.

When writing the word "a".

Because men and women have "different".

Formerly a billionaire.

c.brain teaser

What questions do people who know the answer answer "don't know"?
What is the difference between a son born to a dragon and a son born to a dog?
What word in the newspaper is read the most?
Why did Liu Bei pay three visits to the thatched Zhuge Liang before he was willing to see him?

There is a stone carving of a yellow ox, the head of which is on Binbin's left.Now Binbin desperately wants the bull's head to be on his right, but he can't move the heavy stone sculpture.What do you think Binbin should do?
Below is a top view of a castle.The owner of the castle sent 3 soldiers to patrol day and night on each side of the castle, and he himself supervised the performance of the soldiers through the windows on all sides of the castle. This task caused 12 soldiers to complain.Later, they figured out a way to save manpower and let the owner of the castle see that there are still 3 people on each side.

Think about it: how do they do it?
When answering "don't know" how to read.

One is the prince and the other is the dog.

Sign up.

I didn't bring presents the first two times.

Go to the left of the cow.

As shown below.

Brain teasers

What are you saying that you can't hear yourself?

When a doctor in a certain hospital sees a doctor, he never asks the patient himself about the condition, but must ask the person who accompanied him.why?

Two geckos were competing to climb a wall. In the middle of the competition, the faster one lost its grip and fell down. The strange thing is that the other gecko also fell down. Why?
During the exam, Ah Cai couldn't write a single question, but why suddenly his eyes lit up and he started to write quickly?
The college entrance examination has released the list, why is Zhiming not sad at all when he is not listed?
"East bed quick son-in-law" originally refers to:
ASima XiangruBWang XizhiCLiu BangDZhuge Liang
daydream.

This is Children's Hospital.

The other clapped its hands because it was so happy, but it also fell down.

He is writing class, seat number, name.

Because Zhiming is still in elementary school.

b.brain teaser

Aunt Wang has 2 sons.One day, she bought half a watermelon. She was thinking about how to divide the watermelon evenly all the way, but she couldn't think of a good way.At the door, Aunt Liu, the neighbor, only said three words, and Aunt Wang became frowning.Do you know what Aunt Liu said to Aunt Wang?

What is rich in China?
What are people most afraid of being interrupted?
Junjun boasted that everyone in his class was No. 1 top students.There is not only one student in Junjun's class, but he did not lie, can you imagine what it is like?

Why does the whole family like to sit in front of the TV and watch TV after dinner?

With a long body and two rows of feet, the damp and dark place is the home nest,
The highly poisonous bite is unbearable, but it is a good traditional Chinese medicine for curing diseases. (Guess the land animal)
Juice.

Jade.

dream.

They were all admitted to the school with No.1 grades.

Because you can't sit on the TV.

centipede.

(End of this chapter)