15 entertaining tasks to train your mind and wit
Books / / December 19, 2019
Objective 1
In supermarkets canned sardines fish swamped the department, but the department fresh fish can never have. How can this be explained?
Possible answers
- Sardines - inexpensive fish, fishermen profitable to roll it in the bank into the sea, than to mess with the supply of fresh-product stores.
- Fresh sardines have an unpleasant odor and flavor, which go only after conservation.
- Sardine? They simply do not exist!
task 2
You are approaching a point charge on toll roads. Paragraph traditionally organized: the right lane can move any car - cars, trucks, buses, passenger cars only way for all. Which number should be up?
Possible answers
- At the right, closer to the truckers!
- Just not right! Stay to the left!
- It does not matter - waiting time in each row is approximately the same.
task 3
Three friends settle into a hotel room costs $ 27, they are thrown off by $ 9, and are paying populated. The receptionist checks your computer and finds out that the guests have booked a room through booking.com, which means that they are entitled to a discount of $ 5.
He hastens to them - to return the excess on the road understands that 5 does not divide for three, and decides to give everyone on the dollar, $ 2 keep. Thus every tourist gets back on the dollar, and the number in the end costs $ 8 × 3 = $ 24, another $ 2 took the receptionist in the amount it gives $ 26, and it was the same $ 27! How it should be understood ?!
Possible answers
- $ 2 should not be added and subtracted.
- So in general I think it is impossible, because guests The inserted amount is counted twice.
- The receptionist had to pay $ 2 for each guest and keep the $ 1, then it all fits together - $ 3 × 2 - $ 1 = $ 5.
task 4
Ivan Kirill sold the car for 1 million rubles. Kirill traveled month, I realized that he did not like the car, and offered Ivan buy it back. He agreed - but already 800 000 rubles. A month later, Alex proposed to Ivan to sell the car to him, and they agreed on 900 000 rubles. I met once in the bar three of us, the friends started teasing Ivan:
- Imagine, Lesch, he has earned me 200 000! - Kirill said.
- Yeah, and I still have 100, 300 000 in the sum! And it's on friends! Conscience is, Wan?
How many actually rescued Ivan?
Possible answers
- 1.1 million rubles.
- 1.2 million rubles.
- 1.3 million rubles.
Objective 5
- Gentlemen, this is Proshka, the local idiot! Now I'll show you a wonderful trick! - With these words, Mr. mischievous boy stretched both hands: one was a copper coin, the other - crumpled bills into one ruble. - What do you choose, Proshka?
Proshka grabbed the coin and, triumphantly, hid it in his pocket. After the same trick with him have done three more times: the boy always chose the shiny coins and never - well-worn bill.
- I'm telling you - fool! - repeated the master, and the company, laughing and proceeded further.
What do you think - Proshka fool or not?
Possible answers
- Yes, if we judge by the story.
- Not.
- Proshka, maybe stupid, but his cunning producer.
task 6
One gentleman lived in a skyscraper on the 17th floor and had such a feature: it always came down the elevator up first floor, and when he came back, then lift up when until the 14th, when up to 15, and then went foot. What was going on?
Possible answers
- Something wrong with the elevator (there is a button that you, the bullies burnt?).
- Something was wrong with the master.
- Climb the stairs to the two or three span - excellent physical training an exercise!
Target 7
Pasha and Alesha decided to buy on a bun. But they did not have enough money: Pasha ruble, Alyosha nine rubles.
- And let's - Pasha said - Skins on one bun at least? Eat half.
Alesha admits they are thrown off, and... still not enough. So how much cost the bun?
Possible answers
- 9 rubles.
- 10 rubles.
- 11 rubles.
Target 8
The teacher writes on the board of - 13, 21, 34 - and asks the students to continue the sequence by writing still at least two consecutive numbers. They argued for a long time, eventually came to three different options, but none of them are not sure. And what will you choose?
Possible answers
- 42, 56.
- 50, 69.
- 55, 89.
Target 9
In Omsk spend eating contest ravioli - who will master more. By the end allowed only those who are able to eat at least a hundred. We reached the final four of Alexander, Boris, Vladimir and Gennady. It is known that Alexander won, Boris Vladimir ate steamed dumplings 599, but only in the final of their destroyed exactly 1 000 pieces.
How much I had eaten a winner?
Possible answers
- 300 ravioli.
- 301 dumpling.
- 302 dumplings.
Target 10
In Pereslavl since time immemorial was the blue stone, worshiped meryanie and other pagans. The monks of the nearby Monastery of Sts dreamed to get rid of the neighborhood with stones and winter 1788 took him on a sled on Pleshcheyev lake, but the ice cracked under the weight, and the stone went under water to a depth of about 1.5 m. And 70 years later picked up and went back to shore. How did he do it?
Possible answers
- It carried the ice.
- He was carried algae growing beneath it.
- I choose a stone something magical!
Target 11
In the old days in a storm sailors poured into water, oil or liquid fat (e.g., whale). Why do they do it?
Possible answers
- Oil on the surface prevents the excited waves.
- Silly superstition, sailors simply sacrificed to Neptune.
- Nutritious food attracts a large number of fish that erratic body movements breaking waves.
Target 12
Is it possible to shoot bullets out of ice?
Possible answers
- It is possible if you do not queue.
- If you shoot very quickly - so that the bullet did not have time to melt.
- Not.
Target 13
Why in the mountains, you can fry barbecueBut practically impossible to make soup?
Possible answers
- At a height so cold that the water heated above 30 ° C is not possible.
- Besides that the same fire is hot, as in the valley, the water to 100 ° C does not heat.
- Nonsense, the soup to cook is not a problem, the main thing - to take with a saucepan.
Target 14
The needle (Eskimo house made of ice) for heating diluted fires. In theory, this should lead to moisture - the ice melts around the puddles, flowing from the ceiling - but no, the needle is always dry. What's the secret?
Possible answers
- Low heat - if you make a fire stronger, the water will be full.
- Emerging water as sponge is absorbed by ice.
- Eskimos regularly wipe wet ice.
Target 15
Marina S. acquired trendy vacuum cleaner with a transparent body and a hose. Three days later, she came to the store to pass it back, saying that the defective product, at work in the hose there are any bits. The shop checked the device and found that it is perfectly serviceable. Who is deceiving whom?
Possible answers
- No: spark, and the truth is that is is not.
- Marina S., she's invented.
- clerk - very much to take back the marriage would not be desirable.
Even more unusual tasks for the knowledge of logic, mathematics and physics can be found in the book "Ozadachnik" Nicholas and Paul Poluektova. It will appeal to those who are not afraid to test their wits in practice.
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