rookie1ja

Burning Fuses - Back to the Water and Weighing Puzzles Your job is to measure 45 minutes, if you have only two cords and matches to light the cords. 1. The two cords are twisted from various materials and so their different segments can burn at different rates. 2. Each cord burns from end to end in exactly one hour. Describe your way of measuring the 45 minutes. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Honestants and Swindlecants I. - Back to the Logic Problems These are typical logic problems which can be solved by using classic logic operations. There are two kinds of people on a mysterious island. There are so-called Honestants who speak always the truth, and the others are Swindlecants who always lie. Three fellows (A, B and C) are having a quarrel at the market. A gringo goes by and asks the A fellow: "Are you an Honestant or a Swindlecant?" The answer is incomprehensible so the gringo asks B: "What did A say?" B answers: "A said that he is a Swindlecant." And to that says the fellow C: "Do not believe B, he is lying!" Who is B and C? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Honestants and Swindlecants II. - Back to the Logic Problems Afterwards he meets another two aborigines. One says: "I am a Swindlecant or the other one is an Honestant." Who are they? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Honestants and Swindlecants III. - Back to the Logic Problems Our gringo displeased the sovereign with his intrusive questions and was condemned to death. But there was also a chance to save himself by solving the following logic problem. The gringo was shown two doors - one leading to a scaffold and the second one to freedom (both doors were the same) and only the door guards knew what was behind the doors. The sovereign let the gringo put one question to one guard. And because the sovereign was an honest man he warned that exactly one guard is a Swindlecant. What question can save the gringo's life? Classic wording: Two Doors You are travelling down a country lane to a distant village. You reach a fork in the road and find a pair of identical twin sisters standing there. One of the sisters always tells the truth and the other always lies. If you are allowed to ask only one question to one of the sisters to find the correct road to the village, what is your question? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Honestants and Swindlecants IV. - Back to the Logic Problems Our gringo was lucky and survived. On his way to the pub he met three aborigines. One made this statement: "We are all Swindlecants." The second one concluded: "Just one of us is an honest man." Who are they? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Honestants and Swindlecants V. - Back to the Logic Problems In the pub the gringo met a funny guy who said: "If my wife is an Honestant, then I am Swindlecant." Who is this couple? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Honestants and Swindlecants VI. - Back to the Logic Problems When the gringo wanted to pay and leave the pub, the bartender told him how much his drink costed. It was quite expensive, so he asked the bartender if he spoke the truth. But the gringo did not hear the whispered answer so he asked a man sitting next to him about it. And the man said: "The bartender said yes, but he is a big liar." Who are they? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Honestants and Swindlecants VII. - Back to the Logic Problems Going out of the pub, the gringo heard about a fantastic buried treasure. He wanted to be sure so he asked another man who replied: "On this island is a treasure, only if I am an honest man." So shall he go and find the treasure? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Honestants and Swindlecants VIII. - Back to the Logic Problems Thinking about the treasure, the gringo forgot what day it was, so he asked four aborigines and got these answers: A: Yesterday was Wednesday. B: Tomorrow will be Sunday. C: Today is Friday. D: The day before yesterday was Thursday. Because everything you need to know is how many people lied, I will not tell. What day of the week was it? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Honestants and Swindlecants IX. - Back to the Logic Problems After a hard day the gringo wanted some time to relax. But a few minutes later two aborigines wanted to talk to him. To make things clear, the gringo asked: "Is at least one of you an honestant?" After the answer, there was no doubt. Who are they and who answered? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Honestants and Swindlecants X. - Back to the Logic Problems There was a girl on this island who wanted just a rich swindlecant. If you were a rich swindlecant, how would you convince her saying only one sentence. And what if she wanted a rich honestant (and if you were one). Let us assume for this logic problem that there are only rich or poor people on the island. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Logic Problems at the Court I. - Back to the Logic Problems And now a few cases from the island of honestants and swindlecants. A prisoner at the bar was allowed to say one sentence to defend himself. After a while he said: "A swindlecant committed the crime." Did it rescue him? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Logic Problems at the Court II. - Back to the Logic Problems A man accused of a crime, hired an attorney whose statements were always admitted by the court as undisputable truth. The following exchange took place in court. Prosecutor: “If the accused committed the crime, he had an accomplice.” Defender: “That is not true!” Did the attorney help his client? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Logic Problems at the Court III. - Back to the Logic Problems You live on an island where there are only two kinds of people: the ones who always tell the truth (truth tellers) and those who always lie (liars). You are accused of crime and brought before the court, where you are allowed to speak only one sentence in your defense. What do you say in each of the following situations? 1. If you were a liar (the court does not know that) and you were innocent. And it is an established fact that a liar committed the crime. 2. Same situation as above, but you are the one who committed the crime. 3. If you were a truth teller (the court does not know that) and you were innocent. And it is an established fact that a truth teller committed the crime. 4. If you were innocent and it is an established fact that the crime was not committed by a “normal” person. Normal people are that new immigrant group who sometimes lie and sometimes speak the truth. What sentence, no matter whether you were a truth teller, liar, or normal, can prove your innocence? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Pandora's Box I. - Back to the Logic Problems Once upon a time, there was a girl named Pandora, who wanted a bright groom so she made up a few logic problems for the wannabe. This is one of them. Based upon the inscriptions on the boxes (none or just one of them is true), choose one box where the wedding ring is hidden. Golden box The ring is in this box. Silver box The ring is not in this box. Lead box The ring is not in the golden box. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Pandora's Box II. - Back to the Logic Problems And here is the second test. At least one inscription is true and at least one is false. Which means the ring is in the... Golden box The ring is not in the silver box. Silver box The ring is not in this box. Lead box The ring is in this box. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Lion and Unicorn I. - Back to the Logic Problems Alice came across a lion and a unicorn in a forest of forgetfulness. Those two are strange beings. The lion lies every Monday, Tuesday and Wednesday and the other days he speaks the truth. The unicorn lies on Thursdays, Fridays and Saturdays, however the other days of the week he speaks the truth. Lion: Yesterday I was lying. Unicorn: So was I. Which day did they say that? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Lion and Unicorn II. - Back to the Logic Problems Alice came across a lion and a unicorn in a forest of forgetfulness. Those two are strange beings. The lion lies every Monday, Tuesday and Wednesday and the other days he speaks the truth. The unicorn lies on Thursdays, Fridays and Saturdays, however the other days of the week he speaks the truth. Lion said: Yesterday I was lying and two days after tomorrow I will be lying again. Which day did he say that? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Island Baal - Back to the Logic Problems There are people and strange monkeys on this island, and you can not tell who is who (Edit: untill you understand what they said - see below). They speak either only the truth or only lies. Who are the following two guys? A: B is a lying monkey. I am human. B: A is telling the truth. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Truth, Lie and Wisdom - Back to the Logic Problems Three goddesses were sitting in an old Indian temple. Their names were Truth (always telling the truth), Lie (always lying) and Wisdom (sometimes lying). A visitor asked the one on the left: "Who is sitting next to you?" "Truth," she answered. Then he asked the one in the middle: "Who are you?" "Wisdom." Lastly, he asked the one on the right: "Who is your neighbor?" "Lie," she replied. And then it became clear who is who. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

In the Alps - Back to the Logic Problems Three tourists have an argument regarding the way they should go. Hans says that Emanuel lies. Emanuel claims that Hans and Philip speak the same, only doesn't know whether truth or lie. So who is lying for sure? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Coins - Back to the Logic Problems Imagine there are 3 coins on the table: gold, silver, and copper. If you make a truthful statement, you will get one coin. If you make a false statement, you will get nothing. What sentence can guarantee you getting the gold coin? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Slim Lover - Back to the Logic Problems Something to relax. A slim young man asked a girl on a date: "I say something. If it is truthful, will you give me your photo?" "Yes," replied miss. "And if it is a lie, do not give me your photograph. Would you promise that?" The girl agreed. Then the chap said such a sentence, that after a little while of thinking she realized, that if she wanted to honor her promise, she wouldn't have to give him a photo but a kiss. What would you say (if you were him) to be kissed and so on? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Bulbs - Back to the Logic Puzzles There are three switches downstairs. Each corresponds to one of the three light bulbs in the attic. You can turn the switches on and off and leave them in any position. How would you identify which switch corresponds to which light bulb, if you are only allowed one trip upstairs? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

A Ping-Pong Ball in a Hole - Back to the Logic Puzzles Your last good ping-pong ball fell down into a narrow metal pipe imbedded in concrete one foot deep. How can you get it out undamaged, if all the tools you have are your tennis paddle, your shoe-laces, and your plastic water bottle, which does not fit into the pipe? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.