The 10 Hardest Riddles - Brain (2023)

Wooden box

Enigma:They took me out of a mine and locked me in a wooden box, from which I never leave, and yet almost everyone uses me. What I am?

Respondedor: graphite.

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Enigma:You climb a mountain that has two paths. One leads to the other side of the mountain and the other will leave you lost forever. Two twins know the way to the other side. You can only ask one question. Except! One lies and the other tells the truth, and you don't know which is which. So what questions?

Respondedor: You ask each twin what would your brother say? This works because... Well, let's say the correct path is on the left side. Let's say you ask the liar "What would your brother say?" Well, the liar would know that his brother is honest and he would say the left side, but since the liar is lying, he would say the right. If you asked the honest twin the same question, he would say yes, because he knows his brother will lie. Therefore, you would know that the right path is the one on the left!

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Playing cards

Enigma:Three letters in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify the three cards.

Respondedor: Ace of Diamonds, King of Hearts, Two of Spades.

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Tell us about the day!

Enigma:A group of campers have been on vacation for so long that they have forgotten the day of the week. Follow the next conversation. Darryl: What day is it today? I don't think it's Thursday, Friday or Saturday. Tracy: Well, that doesn't limit it too much. Yesterday was Sunday. Melissa: Yesterday was not Sunday, tomorrow is Sunday. Ben: The day after tomorrow is Saturday. Adrienne: The day before yesterday was Thursday. Susie: Tomorrow is Saturday. David: I know the day after tomorrow is not Friday. . If only one person's statement is true, what day of the week is it?

Respondedor: It's Wednesday. If it were any other day of the week, more than one statement would be true. To solve the puzzle, evaluate each person's statement and write what day it might be based on the statement. David's statement indicates that it could be any day of the week except Wednesday. When he lists the days that could agree with everyone's statement, it turns out that Wednesday is the day mentioned only once. Darryl: Sunday, Monday, Tuesday or Wednesday Tracy: Monday Melissa: Saturday Ben: Thursday Adrienne: Saturday Susie: Friday David: Sunday, Monday, Tuesday, Thursday, Friday or Saturday

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fleeing manslaughter

Enigma:Two cars were involved in an accident downtown. The man driving a small green car overtook a large black car. The driver misjudged the distance between himself and oncoming traffic and had to swerve sharply, causing the black car to swerve sharply and into a storefront. When the occupants of the cars were examined, everyone in the green car was fine, but in the black car was a dead man. However, the driver of the green car was not charged with manslaughter, why did this happen?

Respondedor: The black car was a hearse and was on its way to a funeral.

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(Video) 20 Brainteasers to Test Your Logic Skills
lazy daughter

Enigma:A wealthy and wise old woman was afraid that her daughter was lazy and, as a result, quite stupid. When the old lady died, her will stipulated that her estate was to be liquidated and a check issued for the full amount. The check was to be placed in one of three envelopes. The other two envelopes would contain a blank sheet of paper. If the daughter could determine from the writing on the envelope which envelope contained the check, she would inherit her mother's fortune. Otherwise, the fortune would go to the old lady's favorite animal charity. The daughter was not allowed to touch the envelopes. Her decision had to be made based on what was written on the envelopes. The daughter was told that only one envelope contained a true statement and the other two statements were false. The envelopes had the following writing: 1. This envelope does not have the check 2. This envelope has the check 3. The second envelope does not have the check Which envelope should the daughter bring?

Respondedor: The daughter should have taken envelope 1. Unfortunately she took envelope 3. Statements 1 and 2 were false, and the only true statement was statement 3. If the check was in envelope 1, that would make statement 1 wrong. false, statement 2 is false, and statement 3 is the only true statement. If the check were in envelope 2, statements 1 and 2 would both be true. If the check were in envelope 3, statements 1 and 3 would both be true.

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all four sides

Enigma:You are in a room that is completely walled off on all four sides, including the ceiling and floor. You have nothing but a mirror and a wooden table in the room with you. how did you get out

Respondedor: You look in the mirror, you see what you saw, you take the saw and cut the table in half, two halves make a whole and you go out through the hole.

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Enigma:Three working women have different careers. If only one of statements 1, 2, and 3 is true, can you tell if Maria is a nurse or not? 1. This statement is only true if statement 5 is false. 2. This statement is true if statements 4 or 5, or both 4 and 5 are true. 3. This statement is false only if statements 6 and 1 are true. 4. Mary is a nurse 5. Karen is an artist. 6. Sarah is a photographer.

Respondedor: Maria is not a nurse. The way to solve this puzzle is to consider statements 4, 5, and 6 and create a graph of all the possible true and false answers. Then complete the table according to statements 1 through 3. You will find that there is only one row where only one of statements one, two, and three is true. Thus, it is determined that: Propositions 4 and 5 are false and proposition 6 is true.

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baby boomers

Enigma:Five baby boomer couples each have one child. Each child is a different age than any of the other children. Each child has a favorite toy that is different from other children's favorite toys. Each family eats at only one fast food restaurant. No two women have the same name and no two men have the same name. The names of the children are not known. The boy who plays with the trains is the youngest. Bill's son plays with a GI Joe. Julie's son likes Pokémon. Mike's family eats at Taco Bell. The 4-year-old's family likes Kentucky Fried Chicken. The eldest son is four years older than Marie's son. The girl playing with Barbie is 8 years old. The child with age is in the middle, he has a mother named Marie. The child in the family who eats at McDonalds is two years older than Larry's child. Carol is the mother of the family that eats at Dairy Queen. The kid who plays Nintendo likes Burger King. Steve's son is two years older than the son of the family that eats at Kentucky Fried Chicken. The boy who plays with the trains is two years older than the 6-year-old. The boy who eats at McDonalds is two years older or younger than Regina's daughter. Lisa's son is 10 years old. Who is married to Jorge?

Respondedor: Lisa is married to George and their 10 year old son plays Nintendo. They like to eat at Burger King. Memberships are: 4 Year Old, Mother Regina, Father Larry, Trains, KFC 6 Year Old, Mother Julie, Father Steve, Pokeman, McDonalds 8 Year Old, Mother Marie, Father Mike, Barbie, Taco Bell Child 10 years old, Mama Lisa, Father George, Nintendo, Burger King Age 12, Mom Carol, Dad Bill, GI Joe, Dairy Queen To solve, draw a grid with five rows and five columns. At the top, above the columns, write Age, Mom, Dad, Toy, and Food. Find the known ages and write them in order in the first column. The age of a child is unknown at first. However, once the youngest child (the one playing with the trains) is discovered, the oldest child is known to be the child of unknown age. Through additional clues, it is possible to determine that the eldest son is 12 years old. Get the clue, Lisa's son is 10 years old. In the mother's column for age 10, she would write LISA (Maybe circle, because that is the correct answer). In the mother's column for all other ages, write "not Lisa." Do this for each track. If you know the answer because of a clue, write it in the corresponding column, then be sure to write "no so-and-so" on all other lines of that clue. For example, "The youngest child plays with trains" would return "doesn't train" for any child you know is not the youngest, but you cannot type "trains" for any child, because you don't know which one is the youngest. at first. Eventually, it might find that "mother, not Marie" is on all but one of the lines, and then it would know that Marie is the mother on the empty line.

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1000 dollars

Enigma:A man told his son that he would give him $1,000 if he could do the following task. The father gave his son ten envelopes and a thousand dollars, all in dollar bills. He told his son, "Put the money in the envelopes in such a way that no matter how many dollars I ask for, you can give me one or more envelopes, containing the exact amount I asked for, without having to open any of the envelopes." . envelopes. If he can do it, he will keep the $1,000.” When the father asked for a sum of money, the son was able to give him envelopes with the exact amount requested. How did the son divide the money among the ten envelopes?

Respondedor: The content of the ten envelopes (in dollar bills) must be the following: $1, 2, 4, 8, 16, 32, 64, 128, 256, 489. The first nine numbers are in geometric progression and their sum, deducted from 1,000, gives the content of the tenth envelope.

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