How many cows can I buy for a dime? Brain Twister

A dime can buy nine cows, because nine Niu Yi hairs.

jiǔ niú yī máo, a Chinese idiom, pinyin is Ji ǔ niú y and má o, which means a hair on these nine cows, and it is a metaphor for being small, slight, or very few in a large number. From Han Sima Qian's Letter to Ren Shaoqing.

brain teasers originated in ancient India. It means that when thinking encounters special obstacles, we should quickly leave the habit of thinking and think about the problem from other aspects. Now it refers to some intellectual questions that can't be answered by the usual way of thinking.

Brain teasers are widely classified: educational, funny, mathematical, adult and so on. Brainstorming is a kind of entertainment, but also a popular word game.

Extended information

Brainstorming originated in ancient India. Brainstorming is a series of complete comic jokes published by Times Culture on December 6, 1989, from comic questions on the previous page to unexpected answers after turning over.

At that time, there was a great popular upsurge in Taiwan Province society, and all the streets and alleys were asking each other questions, which turned into a pattern of cold jokes and was later introduced to Chinese mainland.

Classic example:

1. Why does a newborn child only have one left eye? -Answer: People have only one left eye

2. Which tooth came out last? -answer: false teeth

3. There was a fire in the room, but Xiao Ming couldn't open the door. How did he get out later? -answer: Push the door open

4. Lan Lan is not sick, but her mouth keeps opening and closing all night? -answer: she eats melon seeds

5. What is the best way to cheat? -answer: magician

6. Is there a box with two sides? -answer: yes! Inside and outside

7. Iron will rust if it is left outside in the open air. What about gold? -answer: it will be stolen

8. Throw stones with eggs. Why didn't the eggs break? -Answer: How can an egg break when you hold it in your left hand and throw a stone in your right hand?

Baidu encyclopedia-nine Niu Yi hairs