1. What's smaller than a bacterium?
2. Who is the most disobedient?
3. Which animal is the size of a cat but looks like a tiger?
4. How does 3+1 equal 5?
5. Why are hens always short-legged?
6. What question will the other person definitely answer with "none"?
7. Once, Mary accidentally dropped her ring into the coffee cup in front of her, why wasn't the ring wet?
8. There is a piece of black natural marble, if it was placed in the Qiantang River on September 7th, what would happen?
9. A number, if you remove the digits before it, it's thirteen; if you remove the digits after it, it's forty. What is this number?
10. One bull plus one cow, guess three characters.
11. A hungry cat walked past a fat rat, why did the starving cat continue its way without even looking at the rat?
12. Two identical-looking brothers applied for military service simultaneously. They are related by blood and have the same birth date and parents' names. The captain asked them if they were twins. They said no. Why?
13. Li Zhe appears ordinary, nothing special about him, but he can keep his eyes open for hours without blinking. How does he do it?
14. On the sea, there is a large warship, originally manned by 60 people. However, when the 59th person boarded, it sank! Why? (There are no pregnant women or overweight people on board; also no heavy objects.)
15. What do farmers, workers, soldiers, and scientists rely on to eat?
16. While eating an apple, you bite into it and find a worm inside, which makes you feel nauseous. Finding two worms makes you feel even more nauseous. Question: how many worms would make you feel the most nauseous?
17. Someone has neither given birth, raised children, nor adopted godchildren or foster children, yet she became a mother first. Who is this person?
18. Xiao Dai holds a matchstick and walks into the kitchen where there is a gas stove and an alcohol lamp. If he wants to boil water, what should he light first?
19. On the street, there is a person standing with his head tilted upwards. People around think there must be something interesting in the sky, so they follow suit and look up too. But there is nothing in the sky. Can you guess what that person said?
20. Puffy is a famous diver, but one day, he stood on the diving platform and wouldn't jump down. Why?
21. Why are Xiaohong and her mom in the same class?
22. On the night of Yanyan's fourteenth birthday, there were fifteen candles lit at the celebration banquet. Why?
23. Every move Xiaobo makes involves ropes. Why?
24. Xiaogang parachuted from a plane 5000 meters high and it took him two hours to reach the ground. Why?
25. A young man needs to cross a river to run some errands. However, there is no boat or bridge on this river. So, in the morning, he swam across the river and reached the other side in just one hour. In the afternoon, the width and speed of the river remained unchanged, more importantly, his swimming speed didn't change either, yet it took him two and a half hours to swim across. Why?
26. Where on your body would you be less worried if pimples grew there?
27. Behind every successful man, there's a woman. Then, behind a failed man, what might there be?
28. Why is summer vacation always longer than winter vacation?
29. Xiao Li often socializes for work needs. Although he goes home very early every day, his wife still complains constantly. Why?
30. There is a person who is not an official but is responsible for the promotion and demotion of all employees in the company. What does this person do?
31. When does someone knock on the door and you will never say "come in"?
32. The teacher said that if an earthworm is cut into two pieces, it can regenerate. Xiao Dong followed the teacher's advice, but the earthworm died. Why?
33. While brushing his teeth, Xiao Wang whistled leisurely. How did he manage to do it?
34. Why did Tongtong immediately claim upon meeting Zhuangzhuang that he was raised drinking goat milk?
35. What was Adam and Eve's biggest regret after getting married?
36. Xiaoming never studies but still got the title of model student. Why?
37. Xiaoming only knows how to spend money, spending a lot every day, yet he ended up as a millionaire. Why?
38. Why do blind people carry lanterns at night?
39. There is a person, born to your parents, but he is not your brother or sister. Who is he?
40. Xiaowang is an excellent soldier. One day while on guard duty, he clearly saw enemies sneaking up on him, yet he kept one eye open and the other closed. Why?
41. What is the fastest way to turn ice into water?
42. Who goes to see a doctor every day?
43. What kind of cloth cannot be cut?
44. In one exam, a pair of desk-mates handed in completely different test papers, but the teacher believed they definitely did not cheat. Why?
45. What gets solidified when heated?
Additional Questions:
Why doesn't the beautiful princess hang a mosquito net after getting married?
Who never sees a doctor when sick?
What breaks as soon as you call its name?
What is the first thing everyone does after waking up in the morning?
Why does Xiaogao buy two copies of the same book?
What has five heads but people don't think it's strange?