Brainstorm:
A There is 100 yuan, of which one is 50 genuine notes and the other is 50 counterfeit notes. Party A used this 100 yuan to buy shoes at Party B, and the purchase price of shoes of Party B was 60, and the selling price was 75. The transaction between Party A and Party B was successful. B takes the earned 100 and goes to C to buy pants. The purchase price of C's trousers is 70, and the selling price is 80. The transaction between b and c was successful. Later, 50 yuan's counterfeit money was discovered, and there was no result in finding B, so he had to admit that he was unlucky. Q: How much did A, B and C each lose or make?
Answer: A earns 35, B earns 5 and C loses 40.
Interesting brain teaser 1. What can you drink to make people smart? Answer: ink
2.a, B, C, D(a-type mathematical terms) Answer: algebra
3. A curtain of red rain, peaches and plums (to use an idiom) A: Out of the water
One false move may lose the game. Answer: It's all over now.
5. Ten days (typing one word) Answer: Morning.
6. Don't spend the night in the dream. Answer: Lin Chong.
7.700 minus one (one word) Answer: soap.
8. Wearing a linen funnel, I carried it to the mouth of Huangya, where I was forced to import but couldn't sell it. Answer: conch.
9. parting words gush (to use an idiom) answer: running water
10. often kill pigs (one word) answer: yuan.
1 1. Look at both ends of the pole (to use an idiom) Answer: consistent.
12. I am not an old man with a beard. I didn't open a drugstore to make meatballs. I wear leather all year round, and I don't wear shoes on my feet. (Hit an animal) Answer: Goat.
13. The little box can talk, which is loved by men, women and children. It can sing and sing operas, and it can also teach you to learn culture. Answer: radio.
14. Go to bed immediately (scientific name of traditional Chinese medicine) Answer: snake bed
15. Sheep (an industrial word) Answer: oxygen cutting.
16. Qingzai Kyushu (scientific name of traditional Chinese medicine 2) Answer: rhubarb, acacia.
17. Spring Festival hits Jia Baoyu (to use an idiom) Answer: Playboy.
18. originally from Paris (type a legal word) answer: fundamental law.
19. Go forward and don't look back (typing Tang poetry) Answer: You will never come back here.
20. Try to make mistakes (type a word) Answer: Help.
2 1. Answer: Nanchang.
22. What shows its tail at night? Answer: Meteor.
23. A bald old lady measured a liter of beans, and it leaked after eating. (Hit an animal) Answer: Sheep.
24. Born hidden in the leaves of the green hills, full of swords and spears, civilian commanders are not afraid, but the frost of the twelfth month. Answer: Spiny caterpillar.
25. What is the most reasonable way for five people to divide six oranges? Answer: squeeze orange juice
26. brain gold swing grid (name a country) answer: Chile.
27. Forest (type a word) Answer: Kay.
28. If you want to hit your classmate, how can you make him feel grateful without complaining? Answer: hit it with money
29. rawhide (to use a popular saying) answer: explicit.
30. Call a goose, not a goose. Living on the island, in the ice and snow, I really had a good time. (Hit an animal) Answer: Penguin.
Selected brain teasers 1. A big black face, standing against the wall, passed by the white snake and everyone saw his footprints. Answer: the blackboard.
2. a small room with only one window, singing and dancing, changing patterns every day. Answer: TV.
3. One lives here, the other lives there, can hear you, and haven't seen each other since childhood. Answer: ears.
My body is thin and long, my head is white, and my body is shining. I always like to talk about hygiene and walk twice a day. Answer: toothbrush.
5. yellow baggage, cold rice, delicious and beautiful. (Hit a fruit) Answer: pomegranate.
6. Chase after one knife with three knives and race around the center of the circle. From summer to autumn, I still can't catch it Answer: electric fan.
7. Ten little brothers will not be separated every day; Can do anything, efforts first. Answer: Fingers.
8. There is the sun on one side and the moon on the other. Together, both sides shine everywhere. (Type a word) Answer: Ming.
9. Delicious and tasteless. You can't wash it when it's dirty. If you drop it, you can't pick it up again. Answer: water.
10. Shake with both hands, jump with both feet, drill the city gate and cross the cable bridge. Answer: jump rope.
1 1. The top two lines, with two braids hanging in their arms, were full of people and rushed forward quickly. (By means of transportation) Answer: Trams.
12. Burn three floors in the East China Sea, no fire and cigarette butts, no feet to walk in the sea, and walk all over the north and south docks. (By means of transportation) Answer: A boat.
13. Twist a bow, willow leaves scatter in the west and fall in the east, often in May and June, and disappear in winter and September. (Hit a natural object) Answer: Rainbow.
14. A box is really strange. Dirty when you go in, clean when you come out. Answer: washing machine.
15. One leg, one row of teeth, small size and great effect. I beg him every day when I come home. Answer: the key.
16. Eyes can't see, mouth can't talk, white and fat, most afraid of seeing the sun. Answer: Snowman.
17. Where there is soil, there are mountains. Seeing the water turn white, you can't walk fast with your feet. Adding clothes can keep out the cold. Answer: skin.
18. A bachelor as blind as a bat often walks into the boudoir door and sees a beautiful woman wearing silk and satin. Answer: sewing needle
19. From the sea, the sky floated, the white face turned black and tears flowed out. (Hit a natural object) Answer: Cloud.