# 10 Brain Teasers And Riddles Only Smart People Can Solve

## The Classic Bridge Problem

Can you help three people cross a bridge in the dark? But beware, the bridge can only hold two people at a time, and they must carry a flashlight. It takes different times for each person to cross - 1 min, 2 mins, and 5 mins. How do they all cross in the shortest time possible?

## The Missing Dollar

Three friends go to a restaurant and receive a bill for \$30. They each contribute \$10, handing \$30 to the waiter. Later, the waiter realizes there was a mistake, and the bill should only have been \$25. He gives \$5 to the bellboy to return to the friends. But the bellboy decides to keep \$2 for himself and gives \$1 back to each of the three friends. Now, each friend has paid \$9 (totaling \$27) and the bellboy has \$2, adding up to \$29. Where is the missing dollar?

## The Unusual Suspects

In a peaceful village, a crime has occurred! There are four suspects: Emma, John, Lily, and Mike. Each of them gives a statement: – Emma: "I didn't do it." – John: "Lily is lying." – Lily: "Mike is innocent." – Mike: "I am not guilty." If one of them is lying, who is the culprit?

## The Two Doors Dilemma

You are in a room with two doors. One door leads to certain death, and the other door leads to freedom. There are two guards - one in front of each door. One guard always tells the truth, and the other always lies, but you don't know which is which. You can ask one guard one question to determine which door to choose. What do you ask?

## The Murder in the Mansion

A wealthy man was found dead in his mansion. There were three people present at the time of his death: the cook, the maid, and the butler. The cook said he was preparing dinner, the maid claimed she was getting the mail, and the butler stated he was polishing the silverware. The police immediately knew who the murderer was. Can you figure it out?

## The Chessboard Challenge

On a standard chessboard, place eight queens in such a way that no two queens threaten each other. In other words, they cannot share the same row, column, or diagonal. Can you solve this classic chess puzzle?

## The Logical Sequence

What comes next in this sequence: 1, 11, 21, 1211, 111221? Can you decipher the pattern and continue the sequence?

## The Prisoner's Dilemma

Two prisoners are in separate cells, and they must decide whether to cooperate or betray each other. If both remain silent, they both serve one year in prison. If one betrays the other while the other remains silent, the betrayer goes free, and the silent one serves three years. If both betray each other, they both serve two years. What should they do to minimize their prison time?

## The Colorful Hats

In a room, there are three people wearing hats - one red, one blue, and one green. They can't see their own hats but can see the other two. They are told that at least one of them is wearing a red hat. If they can figure out the color of their hat, they are set free. How do they do it?

## The Impossible Escape

You are trapped in a room with no windows or doors, just a mirror and a table. How do you escape?

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