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5 logical brainteasers, which will shake your mind
These problems can be solved with the move, munching a sandwich at lunchtime. And it is possible to break down the entire brain, but could not figure out where is the truth and what's the catch. We offer you with the Website stretch their gyrus and flip logic problems like nuts.
1. Difficulties on the road A man changing a wheel in his car, dropped all four nuts in the lattice sewage. Get them out of there impossible. The driver had already decided that was stuck on the road for a long time, but then passing by the baby advise how to fix the wheel. The driver followed the advice, and quietly drove to the nearest shinomontazhki. What is advised to the child?
A Unscrew the nut on one of the remaining three wheels and secure them fourth.
2. Turnout man had failed to penetrate into the secret club, not to arouse suspicion. He noticed that all over again coming on guard answered questions and only then were. First-past-the question was asked: "Twenty-two?" He said: "Eleven!" And passed. Second - "? Twenty-eight?" The answer was: "Fourteen." And, too, it turned out to be true. The man decided that simple, and boldly went to the guard. "Forty-two?" - Asked the guard. "Twenty-one!" - He replied confidently, and was immediately ejected. Why
answer At first sight that the password - is the result of dividing the title number two. In fact, the number of letters in the proposed figures. In this case, the correct answer is not 21, and 8.
3. Gift Baba Yaga Summer is over, when Prince Ivan, en route to the kingdom of Far Far Away for the bride asked the night in a hut on chicken legs. Baba Yaga affectionately greet guests, watered, fed, put him to sleep. The next morning she spent Ivan Tsarevich with the parting words: "to meet you on the road river bridge across it is not, you have to go. Take this magical coat. Wear it - and throws in a river safely, coat will not drown. " One hundred days and nights walking Ivan Tsarevich and finally got to the river. But in order to overcome it, he did not need a coat. Why?
A Prince Ivan was Baba-Yaga in September. Is counted one hundred days, and learn that winter is in full swing. Icebound river, and it can safely go without his coat.
4. Cells with the rabbits in the yard were a series of three large cells, painted in different colors: red, yellow and green. The rabbits were living cells, and in green were twice that in yellow. Once the cells of the left took five rabbits for a living area, and the remaining half was transferred to the red cell. Guess what color was left cell.
A cage was yellow. The problem suggests that the green was a cage of rabbits twice - hence, there is an even number of them. After the cells were taken from the left five, there is also an even number remains (as it is easy to split in half). So, to take the number of rabbits was odd. Thus, the cell is left - not green. But not red, it is evident from the conditions of the problem.
5. Who is guilty? Late in the evening in one of the alleys of the unknown car hit the man and disappeared. The guard police officer noticed that the car was moving at high speed. Six people caught nearby, reported contradictory information:
- The car is blue, the wheel was a man;
- The machine was at a high speed and with the lights extinguished;
- The machine has a number plate and was not very fast;
- The car "Moskvich", was extinguished with light;
- The car without license plates, driven by a woman;
- The car "Victory", gray
. When the car was detained, it appeared that only one witness told the correct information. The other five - one correct and one incorrect fact. Knowing this, set the brand, color and speed of the car, whether she had a license plate, whether with the light was and who led - man or woman
Answer This was a car "Victory", blue in color, with the license plate. . There was at high speed and with the lights extinguished. Behind the wheel was a woman. Orienting the testimony sentry - the high speed of the car. And then, knowing that the testimony of the low-speed wrong, define the remaining options.
6. Bonus So what to do at the same time all the people on Earth?
Answer gets older.
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