Channel Your Inner Sherlock With These 98 Detective Riddles

A man is discovered dead sitting at his desk, alone in the locked office. He did not commit suicide and there were no weapons in the room. The only clue is a sealed envelope on the desk in front of him. How did he die? 

On a cold winter day, there was a man standing in front of someone’s house. He didn’t move until the spring, and the owner didn’t mind. Eventually, the man left. Who was he? 

A man placed a $100 dollar bill on his desk and left for work. When he returned back the money was gone. He has three suspects: the cook, the maid, and the electrician. The cook said he put the bill under a book on his desk to keep it safe. The man checked and it is no longer there. The maid said she moved the bill to the inside of the book between pages 1 and 2 while she was cleaning. Again, the man checked the book and there was nothing between pages 1 and 2. The electrician said he saw the bill sticking out of the book and he moved it between pages 2 and 3 to keep it safe. Who stole the money? 

Why did a woman call the police over a man who knocked on her door and claimed that he thought the room was his? 

A woman has incontrovertible proof in court that her husband was murdered by her sister. The judge declares, “This is the strangest case I’ve ever seen. Though it’s a cut-and-dried case, this woman cannot be punished.” How can this possibly be? 

Detective Ixolite was investigating a murder. It was a difficult case, and Ixolite was completely stumped until he noticed a message sent to him by the killer cunningly hidden in a newspaper advertisement selling car license plates. Detective Ixolite thought about it for a while, and when he had solved the puzzle, immediately arrested the guilty man. This is the newspaper advert (car license plates for sale) that Inspector Ixolite saw. Car License Plates For Sale: W 05 NWO H 13 HSR O 05 EBM D 08 UNE U 10 HTY N 04 BRE N 16 TTE I 26 LHC T 10 AEE I 26 CNA X 22 VDA How did Ixolite know the advert was a clue for him? Solve the code and determine who Ixolite arrested. 

You arrive at a murder scene where a man is hanging from the ceiling with nothing around him other than a large pool of water. How did the man die? 

An old man lives alone in a flat. Because of his old age, he is not able to move comfortably and hence most of the things are delivered to his home. On Friday while delivering the mail, the postman felt something suspicious in the flat and tried to look inside through the keyhole and he saw a blood-filled body of the old man. The police arrived at the scene. On the outside of the flat, they found two bottles of warm milk, a Tuesday newspaper, some unopened mails, and some gifts. Who killed the old man and how did the police know who to arrest? 

The second apparition in "Macbeth", the bloody child, recommends 'Be bloody, bold and resolute, laugh to scorn the power of man, for none of woman born shall harm Macbeth'. How was the Thane of Fife able to kill Macbeth in the light of this prophecy? 

It’s 6 pm and George Manly was murdered. Yet no murderer was found. But the cops got witnesses. There were 5 other people in the house at the time of George’s murder. The chef said he was cooking dinner. The gardener said she was gardening. The auntie said she was playing chess with her brother. The wife said she was watching TV. And the grandfather said he was in his wheelchair. So who murdered George Manly? 

You are a junior detective investigating a case. Boys at an apartment complain that every day, they have an egg spinning competition with only raw eggs, and every day one particular boy wins. The boys want you to find out how. You are observing the boy spinning an egg when suddenly it drops to the floor. The apartment clerk casually hands him a broom to clean it up, as if it happens every day. You now know why the boy always wins the daily competition. How? 

One evening there was a murder in the home of married couple, their son and daughter. One of these four people murdered one of the others. One of the members of the family witnessed the crime. The other one helped the murderer. These are the things we know for sure: 1. The witness and the one who helped the murderer were not of the same sex. 2. The oldest person and the witness were not of the same sex. 3. The youngest person and the victim were not of the same sex. 4. The one who helped the murderer was older than the victim. 5. The father was the oldest member of the family. 6. The murderer was not the youngest member of the family. Who was the murderer? 

Four kids having five rocks each were playing a game in which they need to throw the rock at the solid area in the water. Kid1: Succeeded in throwing three rocks at a solid area but one of the rock sunk. Kid3: His aim was so bad that all rocks got sunk. Kid4: He was awesome and none of the rocks got sunk. Kid2 was the winner but was struck by a rock in the head and died. Who killed Kid2? 

Three men walk into a room, and two get shot and die instantly. How many are left? 

A woman calls up the police to say that her grandmother’s ring had been stolen. When they visit her house, they see broken glass on the lawn and dirty footprints. They arrest the woman. Why? 

A man is marooned on a desert island. One day, the wind starts blowing from the west, and lightning causes a fire to start in the forest. Cliffs surround the island, so the man can’t escape. What does he do? 

A detective was locked in a room that had a dirt floor, with a shovel and an open window too high for him to climb out of. How did he escape? 

Three spies, suspected as double agents, speak as follows when questioned: Albert: “Bertie is a mole.” Bertie: “Cedric is a mole.” Cedric: “Bertie is lying.” Assuming that moles lie, other agents tell the truth, and there is just one mole among the three, who is the mole? 

A lawyer argued for $1,000,000 damages based on the following claim: His client went to an art museum, where he saw a painting of Marie Antoinette on a guillotine. He fell asleep and dreamed of the painting. At the museum’s closing time, a guard tapped him on the neck just as he dreamed of the guillotine beheading Marie Antoinette. The tap provoked immediate cardiac arrest and a fatal heart attack immediately following because he associated the tap with the guillotine blade. The judge dismissed the case. Why? 

One murder happened in a village. A police officer instructed two police constables to go to the crime scene, investigate and prepare a preliminary incident report. It was already past midnight and the crime scene was far away from the police station. The two constables decided not to travel to the crime scene and came up with a fake incident report instead. Below is the report. When we reached the spot, the door was open and one man aged between 40-45 was found dead lying on the floor. The light and fan were switched on. There were some items found on a table: – One open bottle of poison, – One half-filled drinking water bottle, – One fountain pen, – One newspaper was flipped open, pages 9 and 10 facing each other, – One tabletop calendar showing June 20, – One notebook. The person committed suicide by drinking the poison. After reading the incident report, the police officer immediately knew that it was fake. How did he know?