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DANETTE MEDIUM DIFFICULTY

1
Famous the world's first postage stamp - "penny black" was released in England in 1840, the Principle of payment for mail forwarding marks was a huge success and was soon adopted worldwide. However, just one year "penny black" was replaced with "red penny". Why?
Hint

Q: did the paper or printing ink "black penny" some flaws?
A: No.

Q: was redesigned brand with the release of "red penny"?
A: No, only the color.

Q: was the reason to replace mark it black?
A: Yes.

In: Concerned whether the problem is printing or copying of the brand?
A: No.

REPLY

Postage at that time was completely black, so determining repaid it or not, it was very difficult. This allowed people to use the brand again. The red penny stamp damping was clearly visible.
2
One morning the owner of the car found that one of the wheels, the tire is completely deflated. However, he was not to be repaired or replaced and pump up a flat tire, and got in the car and drove a hundred miles to meet with a client. After this he returned home, after another hundred miles. How did he do it?
Hint

Q: did whether the owner of the car all the way with a flat tire?
A: Yes.

Q: whether the operation of the machine more difficult?
A: No.

Q: did the owner of the car anything with a flat tire or tires other wheels?
A: No.

In: Rode it on the rim of the wheel?
A: No.

Q: was his car something special or he had some special ability?
A: No. The same thing can be done by any person on any machine.

REPLY

The bus was launched on the spare wheel, which was lying in the trunk, and the other four tires wheels pressure was normal, so the car could go.
3
Four College students were late to class and explained his late teacher because on the road they had a flat tire. Smart teacher quickly proved to the rest of the students that are late lied. How?
Hint

Neither the students ' clothing, nor the weather, nor any external factors did not give the teacher is no indication that the truth was spoken of by the students or not. Late students really came by car, but the damaged tire she was not. The teacher asked the students one question, which revealed the deception. What was that question?

REPLY

The teacher threw up all four late of students in different rooms and asked each one of the wheels was damaged tire. Of course, their answers differed. The probability that four students accidentally called one and the same wheel is 1/(4 x 4 x 4) = 1/64].
4
We all know that there is a way to put in a bottle model ship. But how to put in a bottle of ripe pear, without damaging the bag and bottle?
Hint

It is not only physically possible, this is often done. There are manufacturers that sell liquor bottles with ripe pears inside. Although the size of the neck of the bottle is much smaller than placed in her pears, they manage to put the pear in the bottle without using any special devices and not resorting to the formation of the bottle around the pears. How do they do it?

REPLY

Pear is grown in the bottle, which is tied to a branch soon after the fruit will begin.
5
The man had a book value of $ 40,000. However, he deliberately destroyed it. Why?
Hint

In: the owner of the destroyed this book because it contained something that carries a threat to him or his family?
A: No.

Q: did you hope it to get insurance?
A: No.

Q: whether there has been fraud, extortion or robbery?
A: No.

In: whether he Violated the law when burned this book?
A: No.

Q: He did it for personal gain?
A: Yes.

REPLY

The man had two copies of this book, and destroyed, in order to increase the value of the second.
6
People who came in the picturesque mountain village often wondered local fool. When he was offered the choice between a shiny 50-cent coin and mint five dollar banknote, he always chose the coin, although it costs ten times less bills. Why he never chose bill?
Hint

Q: was this really stupid fool? A: No.

Q: did he have a very strong reason to always choose the coin? A: Yes.

Q: Was the purchase of coins in some ways more valuable or useful than the purchase of bills?
A: No.

REPLY

"The fool" was not so stupid: he knew that, while he will choose 50-cent coin, people will offer him a choice, and if he chooses the five-dollar bill, proposals will cease, and he will not get anything.
7
The person is on long island a mile and a width of about 90 meters. Because of a long drought, the grass and bushes on the island much dried up. Suddenly at one end of the island there was a fire, and a strong wind drove the fire into the side of man. Escape to the sea could not, because the sea was full of sharks. Sloping shores without vegetation on the island is no, the banks are steep cliffs. How can a person be saved from the fire?
Hint

Q. Can a man enter into the sea or using sea water?
A: No. The shore was a steep cliff, breaking in a sea of sharks.

In: man Had time to cut down the lane to stop the fire?
A: No.

Q: Could he use something to extinguish the fire?
A: No.

Q: were there any people on the island all the time?
A: Yes.

Q: did the role of a strong wind?
A: Yes.

REPLY

Someone needs to light a fire on the leeward themselves from the side and slightly away towards the main fire. The wind will direct the fire to the leeward side of the island. When this site will fade, people will be able to return it and wait until the main fire reaches this area and will turn off, as will burn nothing.
8
Once the English king George II went to bed on the evening of September 2, and woke up only in the morning of 14 September. His doctors and any of his associates is not worried, perhaps because everyone was aware of a similar case with the French king Henry III, who fell asleep December 9 and woke up on December 20. We know that the lives of both these kings was not difficult, what happened to them?
Hint

Q: Were there both kings are somehow linked?
A: No.

In: whether they Were both physically normal?
A: Yes.

In Both events occurred at the same time?
A: No: the "Long sleep" of George II took place in 1752, and the "long sleep" of Henry III 170 years earlier.

In: Suffered if both the king any disease and did. they any medication?
A: No.

Q: did it matter that they were both kings?
A: No.

Q: Were these events are normal in those days?
A: Yes.

REPLY

In both cases, the kings slept only one night. In France in 1582, and in England in 1752, has been replaced calendars. Prior to these dates in the respective countries used the Julian calendar, which was accumulated error, and had to be corrected. In 1582, Pope Gregory XIII ordered excluded from this year's 10 days. Introduced his new calendar, called the Gregorian. Catholic countries, including France, took it, and Protestant, which belonged to England, then, was not accepted. England moved to the more accurate Gregorian calendar only in 1752.. when the requested amendment was already 11 days. Thirteen American colonies were in those days under the rule of England, so they too switched to the Gregorian calendar in 1752 By the way, George Washington was born on February 11, 1732, but after 1752, his birthday was February 22, which is officially named today.
9
Looking at the portrait, the man said, "I Have neither sons nor brothers, but his father is depicted person - the son of my father". Who is depicted in the portrait?
Hint

It is not necessary to make any assumptions. Only use logic.
Start with the end: if this man had no brothers, who could be the son of his father?

REPLY

The portrait depicts the daughter of this man.
10
Three friends, Alf, Bert and Chris, all year round played on Saturdays in Golf. The game was a friendly, but friends vied. Conditions for all were equal, so that one who has spent the least strokes had won the game, and who has spent most of the blows, was the last. By the end of the year they decided to sum up, to see who is the best. And then began a fierce debate. Alf said that he was ahead of Berta more often than behind him, Burt argued that he was ahead of Chris more often than inferior to him, but Chris insisted that he was ahead of alpha more often than behind him. How could this be?
Hint

In: Applied in playing the hits or matches some tricks and have an unfinished game?
A: No.

Q: is There a Golf course, something special, or it's possible in any game where the result can be represented by a sequence places players?
A: any.

Q: They were not mistaken in calculations?
A: No.

In Each of them played about the same number of games?
A: Yes.

REPLY

One third of the games participants finished in the order a, B, C, the other in the order B, K, a, And a third in order To, A, B. In the end, And was ahead of B twice behind him; B was ahead of It twice behind him, and was ahead And twice behind him.
11
The businessman came home, as usual, in 17 hours. He usually had dinner as soon as he came home, but this time, although he was very hungry, so as not dined, and although all his favorite meals have already been prepared, he alone sat at the table only at exactly 20 hours. What was he waiting for?
Hint

In: Businessman wanted to lose weight?
A: No.

Q: He wanted to have dinner with someone else?
A: No.

Q: was he able to have up to eight o'clock in the evening?
A: Yes.

In His waiting had any medical or social reasons?
A: No.

Q: if he Wanted to drink and drink up to 8 hours?
About: Wanted, but did not drink.

(Additional hint:
The next day this man behaved similarly, but waited until 20:02.)

REPLY

The businessman was a Muslim, and fasted the month of Ramadan, from sunrise to sunset Muslim should neither eat nor drink, nor smoke.
12
Jim was one of the most useless sailors on the ship. He was rude, lazy, unreliable, poorly worked well together with people and always caused trouble. However, the captain once said about him: "I would like to like Jim, I had a dozen". Why?
Hint

Q: what Is the Jim any special skills or some property, useful to the captain?
A: No.

Q: did Jim some other tasks?
A: No. He was just one of the sailors.

Q: He was paid less than other men, or any of its contents were cheaper?
A: No.

Q: was the ship this ship in the sea?
A: Yes.

REPLY

The captain would be happy to have just a dozen such men as Jim, because he was 50. He felt bad almost the whole team, but could not change it until the end of the flight.
13
The man stopped the car at the Bank and hurried inside. He was detained 25 people and ran out of the Bank with 200 dollars. The policeman who had seen the whole of this scene, stopped him, reprimanded and dismissed. Why?
Hint

Q: Were the people angered this man?
A: Yes.

In: the Policeman was his accomplice?
A: No, it was an ordinary COP.

In: the COP knew this man?
A: No.

In: COP clearly saw and understood the wrong actions of this man?
A: Yes.

In: the Policeman tried to take his $ 200?
A: of Course not! But he said to the man, so that he no longer detained people.

REPLY

When the man left the car to the Bank, it has stood in the passage, why did the tube, which was detained 25 people. The policeman told him that he no longer had left the car in places where it might interfere with the passage.
14
During the war one British soldier was under the front sight of the gun Adolf Hitler. Why is he not fired?
Hint

Q: It was that Adolf Hitler, who was the head of the Third Reich?
A: Yes.

Q: was This the end of the war?
A: No.

In: British soldiers learned of Hitler?
A: No.

REPLY

A similar incident took place in my life. It happened during the First world war when Adolf Hitler was a staff member of the German army. He was wounded, and the British soldiers decided to kill him unworthily.
15
The tunnel, built in the direction from East to West, passes single-track railway. Once in the second half of the day in the tunnel includes two trains at the same speed. One went East and the other West. They did not stop and did not brake, but not encountered. How could this be?
Hint

In Both trains have gone through the whole tunnel through?
A: Yes.

In Both trains were on the same track, but in opposite directions?
A: Yes.

Q: these were ordinary trains in standard sizes?
A: Yes.

Q: They somehow were in the tunnel past each other?
A: No.

REPLY

One train passed through the tunnel shortly after noon, and the other in the evening.
16
As defending their titles against pirates who would like to copy, publishers of dictionaries and atlases?
Hint
To restrict the copyright to the words of the English language or the shape of the continents on the map impossible. But these restrictions can be put on some expressions in the dictionary or details in the Atlas. How can I find out that someone has copied your specific list of words, or image on the card, and to declare that the copied elements were original work? How to prove that the person copied these items, and did not come to them on their own?

REPLY

Usually publishers include a non-existent word dictionary, and Atlas put a non-existent island. If they are found in any other publication, the fact of copying becomes apparent.
17
The rich man was kidnapped son. The kidnapper demanded that he brought its expensive diamond in the phone booth, standing in the middle of the city Park. Police officers in plain clothes surrounded the Park, intending to arrest the perpetrator or intermediary. The father of an abducted child came to the phone booth and carried out all the instructions of the kidnappers, but the police couldn't prevent cunning criminal to make a diamond out of the Park, nor to arrest the villain. What did he do?
Hint

In: the Man called in a phone booth?
A: No.

In: the Thief was in the Park?
A: No.

In: the Thief managed to get the diamond out of the Park?
A: Yes.

In: took Part in the case of some other man?
A: No.

In: Diamond was taken from the Park using any vehicle or through a tunnel?
A: No.

REPLY

This is a real incident that happened in Taiwan. When the father came to the phone booth, he found a carrier pigeon in a cage. To it was attached a note which stated that the diamond should be put in a small pouch fixed on the neck of a dove, and let the dove out of the cage. When he did this, the dove flew through the city in his loft, and the police could not trace him.
18
Two common devices perform the same function, but one of them has a huge number of moving parts, and the other has none. What is this device?
Hint

Q: do both devices for normal and useful purpose?
A: Yes.

In: at least one of them use electricity?
A: No.

Q: is Made whether the thousands of moving parts?
A: No.

Q: These devices invented recently?
A: No. In varying forms, they have existed for many centuries.

In: Distributed in the premises?
A: The one in which a lot of moving parts, often used in the premises, and the other is less widespread and is used only outdoors.

REPLY

One of these devices - hourglass (often used for timing when boiling eggs), and the other is solar watch.
19
John brown died on Thursday, December 6, and was buried on Wednesday in the same week, namely, on 5 December. How could this be?
Hint

In: brown was buried in the same week of the same year, when he died?
A: Yes.

Q: He was buried on the date preceding the date of death?
A: Yes.

Q: He was dead when he was buried?
A: Yes

Q: do you Have any relevant place of death and burial?
A: Yes.

Q: Could it happen in, say, new York or London?
A: No.

REPLY

John brown lived on one of the Islands in the Pacific ocean near the line of the change of date to the West of it. When you cross the line from West to East, you get the previous date. Brown died on Thursday 6 December, and his body was the same day delivered to the aircraft in the area, situated to the East of the line of date change, where it was interred in the same day. But the place of burial was Wednesday 5 December. (Such a mission could be accomplished, for example, from the Fiji Islands in Western Samoa.)
20
Mrs. white happy knitting, and her husband was watching TV. Suddenly the phone rang. Mr. white took the tube. It turned out that the call was wrong. It annoyed him, but even more was annoyed his wife. Why?
Hint

In: a Cause of annoyance was the identity of the caller or his words?
A: No.

Q: Who is either of the spouses knew the caller?
A: No.

In: the Cause of the annoyance of the wife was that he said?
A: Yes.

In: Phone conversation was long?
A: No. The husband answered the call in the usual way, and when he learned that he had the wrong number, and hung up.

Q: my wife was a serious cause for grief?
A: Yes.

Q: If she is not bred, was she upset?
A: No.

REPLY

Mrs. white carefully considered loop. Account far exceeded 300. When her husband answered the phone, he called the caller number of your phone, because of what Mrs. white lost count.
21
When the Central heating and hot water columns have not been, the water bath was heated on the stove. In those days one day the cook was heated on the stove the water in a large saucepan to pour it into the tub, where there was some water at room temperature. Noticing this, the Butler told her: "don't You understand that the longer you heat the water on the stove, the colder will be the water in the tub when you pour the hot water?" He was right. Why?
Hint

Q. do was cook to pour into the tub all the water she had heated on the stove? A: Yes.

In: the Temperature in the house bila permanent? A: Yes.

Q: Was there anything unusual in the kitchen, the stove, the water or the bath? A: No.

In: the Water was very hot? A: Yes, steam coming up from it.

REPLY

When the Butler came into the kitchen, the water in the pot was boiling over. The longer the cook would continue to heat it, the less it remained (due to evaporation) for heating water in the bath, and the temperature it is no longer increased.

Paul Sloane and Des McHale
"The original puzzle on thinking outside the box"
(Paul Sloane & Des MacHale "Challenging Lateral Thinking Puzzles")
The author's website

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Joknoditio
2014-04-19 19:57:55
Not middle and elementary
awwwwww
2014-04-03 08:26:03
super
Nastya
2014-01-23 19:44:42
class h
the right
2013-06-21 19:50:28
5 18 19 difficult
inusic
2013-03-27 23:44:24
excellent danette.
XXX
2012-12-08 15:13:28
excellent danette
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