A collection of classic brain teasers with answers

1.What is it, no matter how much you get more and more, but always subtract a little? Answer:

Years. 2.What is the reason why trains move?

Answer: Because of the tracks, not because of the train engine. 3.

He killed his brother legally, but was not arrested. Why? Answer:

He is the judge. 4.After the Kirin is immunized, what is the cold still a thing for it?

Answer: The sound that is made. 5.

The sum of a pen and a piece of paper is 21 yuan, but the pen is 20 yuan more expensive than paper. So what is the ** of pen and paper? Answer:

Pen 22 yuan, paper 1 yuan. 6.An egg is boiled for three minutes, but there are only three and five minute timers.

How do you boil eggs? Answer: Cook for three minutes first, then cook for two minutes with a five-minute timer.

7.There was a river, and there was a boat on the river, and there was a bucket of water on board. If water is poured into the river, will the water level on the banks of the river rise or fall?

Answer: It will not change because the density of the water does not change. 8.

What is it that everyone has, but everyone's is different? Answer: Name.

9.Why do hunters always have no prey? Answer:

Because hunters always go to hunt, not to be hunted. 10.What is something that only the owner can see, but others can see?

Answer: Shadow.

<> "Brain teasers are an art that enables people to arrive at unexpected answers in a short period of time through clever organization and mental associations. Here are five brain teasers and answers for your reference. 1.

There is a fruit platter with two apples, three oranges and four bananas, how should it be distributed so that everyone is equal? Answer: Divide the fruit platter into three parts, each with apples, orange shakes and bananas.

2.Unexpected calculation results If I tell you "9 + 1 = 710 in arithmetic", you will think that this is wrong, but there is another way to get the result of 710, what is the method? Answer:

In this equation, the plus sign is actually a connector, not an addition symbol. Therefore, 9 connected to 1 is equal to find an even number, if the number is 2, what is its two imaginary late multiples? Answer:

Twice as many as 2 is 4 and is an even number. 4.The number of chickens and ducks is that there are a number of chickens and ducks in the cage, if you count their heads and 96 feet, how many chickens and ducks are in them?

Answer: Suppose there are x chickens and y ducks in it, since each chicken has 1 head and 2 feet, and each duck Ming Yuqing has 1 head and 2 legs, the following equation can be derived: x + y = 342x + 2y = 96 Solving the equation gives x = 22 and y = 12, so there are 22 chickens and 12 ducks in it.

5.The animals of the forest have a fox, a rabbit and a deer in the forest, two of them can tell lies, one can tell the truth, what do these three animals say? Answer:

Suppose a fox will tell a lie, a rabbit will tell a lie, and a deer will tell the truth. The fox said, "Rabbit".

The rabbit said, "Deer". The deer said:

deer".