Logic riddles ask kids to reason through a small puzzle step by step. The 20 logic riddles below are great for older kids and tweens who enjoy "aha!" moments.
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61 logic riddles
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1
A hiker comes to a fork in the road and doesn't know which way to go to reach his destination
A hiker comes to a fork in the road and doesn’t know which way to go to reach his destination. There are two men at the fork, one of whom always tells the truth while the other always lies. The hiker doesn’t know which is which, though. He may ask one of the men only one question to find his way. Which man does he ask, and what is the question?
Hint: A hiker comes to a fork in the road and doesn’t know which way to go to reach hi…
✨ Either man should be asked the following question: “If I were to ask you if this is the way I should go, would you say yes?”While asking the question, the hiker should be pointing at either
L3 · logic
2
A king decided to let a prisoner try to escape the prison with his life
A king decided to let a prisoner try to escape the prison with his life. The king placed 2 marbles in a jar that was glued to a table. One of the marbles was supposed to be black, and one was supposed to be blue. If the prisoner could pick the blue marble, he would escape the prison with his life. If he picked the black marble, he would be executed. However, the king was very mean, and he wickedly placed 2 black marbles in the jars and no blue marbles. The prisoner witnessed the king only putting 2 black marbles in the jars. If the jar was not see-through and the jar was glued to the table and that the prisoner was mute so he could not say anything, how did he escape with his life?
Hint: A king decided to let a prisoner try to escape the prison with his life…
✨ The prisoner grabbed one of the marbles from the jar and concealed it in his hand
L3 · logic
3
a man and his son were driving to meet there mom when they got in a car wreck
a man and his son were driving to meet there mom when they got in a car wreck. on the way to the ER the man past away. the surgeon said i cant operate on this boy he is my son. how ca n this be?
Hint: a man and his son were driving to meet there mom when they got in a car wreck…
A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murdered. Who did it and how did they know?
Hint: A man was found murdered on Sunday morning…
✨ It was the Maid. She said she was getting the mail. There is no mail on Sunday!
A murderer is condemned to death. He has to choose between three rooms. The first is full of raging fires, the second is full of assassins with loaded guns, and the third is full of lions that haven’t eaten in 3 years. Which room is safest for him?
Hint: A murderer is condemned to death…
✨ The third. Lions that haven't eaten in three years are dead
L2 · logic
6
A petshop owner had a parrot with a sign on its cage that said “Parrot repeats everything it hears
A petshop owner had a parrot with a sign on its cage that said “Parrot repeats everything it hears.”A young man bought the parrot and for two weeks he spoke to it and it didn’t say a word. He returned the parrot but the shopkeeper said he never lied about the parrot. How can this be?
Hint: A petshop owner had a parrot with a sign on its cage that said “Parrot repeats e…
✨ The parrot was deaf!
L3 · logic
7
A psychologist goes to a village in Africa and decides to compare foot size to intelligence
A psychologist goes to a village in Africa and decides to compare foot size to intelligence. He notes that in general, as foot size increases, so does intelligence. How can this be?
Hint: A psychologist goes to a village in Africa and decides to compare foot size to i…
✨ Age He is measuring everyone's feet, including the feet of the very small children. So the statistics will show that larger feet belong to the smarter people, the adults
A train just leaves a station and enters a tunnel. Where is the best place for a claustrophobic person to sit?
Hint: A train just leaves a station and enters a tunnel…
✨ In the back. See, the train is still accelerating as it is leaving the station so the train will be moving faster when the back of the train enters the tunnel
L3 · logic
9
A woman proves in court that her husband was murdered by her sister, but the judge decides that the
A woman was horrified to find a fly in her tea. The waiter took her cup and went into the kitchen and returned with a fresh cup of tea. She shouted, “You brought me the same tea!”How did she know?
Hint: A woman was horrified to find a fly in her tea…
✨ Sugar She had already put sugar in it and when she tasted the new tea it was already sweet
L2 · logic
11
Alice is walking throught the forest of forgetfulness
Alice is walking throught the forest of forgetfulness. She wants to know what day of the week it is. She stops and asks a lion and a unicorn. Now the lion lies all of the time on Monday, Tuesday, and Wednesday. The unicorn always lies on Thursday, Friday and Saturday. Alice asks the lion what day it is, he says, “Well, yesterday was one of my lying days.”Alice can’t figure it out just from the lion’s answer so she asks the unicorn and the unicorn says, “Yesterday was also one of my lying days.”What day is it?
Hint: Alice is walking throught the forest of forgetfulness…
✨ Thursday
L3 · logic
12
All the electricity was out in town and none of the street lights or traffic signals had power
All the electricity was out in town and none of the street lights or traffic signals had power. A dark limousine was cruising down the newly paved blacktop, with its headlights off. A young boy dressed totally in black (with no reflectors) stepped out to cross the street. The moon wasn?t out and the boy had no flashlight, yet the driver stopped to let the boy cross the street. How did the driver see the boy?
Hint: All the electricity was out in town and none of the street lights or traffic sig…
✨ The driver saw the boy because it was during the daylight hours
L2 · logic
13
An old man wanted to leave all of his money to one of his three sons, but he didn't know which one h
An old man wanted to leave all of his money to one of his three sons, but he didn’t know which one he should give it to. He gave each of them a few coins and told them to buy something that would be able to fill their living room. The first man bought straw, but there was not enough to fill the room. The second bought some sticks, but they still did not fill the room. The third man bought two things that filled the room, so he obtained his father’s fortune. What were the two things that the man bought?
Hint: An old man wanted to leave all of his money to one of his three sons…
✨ The wise son bought a candle and a box of matches. After lighting the candle, the light filled the entire room
L3 · logic
14
Bouncing Bob was riding a particularly frisky horse when suddenly its bridle came off
Bouncing Bob was riding a particularly frisky horse when suddenly its bridle came off. As they raced down the road, a screaming Bob clung to the horse’s ears for dear life. Out of the corner of his eye, Bob saw a car coming, and realizing the horse was completely out of control, he panicked. Flailing his arms about, he accidentally caused the horse to come to an abrupt halt. What could Bouncing Bob have done to make the horse stop?
Hint: Bouncing Bob was riding a particularly frisky horse when suddenly its bridle cam…
✨ Close your Eyes, what do you seeBob accidentally put his hands over the horse's eyes. If a horse can't see he will automatically stop
Detective Marty had been trailing three men suspected of committing several fur robberies. He received a message in a sealed envelope delivered by Roscoe, an underworld contact and decided to call Detective Sam, his partner. “I think I found out where the merchandise is stored,”said Detective Marty. Obviously Marty didn’t want Roscoe to know what was in the envelope, so he read it to Sam in code. This is what Marty had said: “Flame mate weighty soak shave comedy debut stake scared.” What did the message say?
Hint: Detective Marty had been trailing three men suspected of committing several fur …
✨ Am at Eight Oak Ave, come but take care. Read through it again to see!
L3 · logic
17
During the Holocaust there is a jewish man who has managed to evade the nazi soldiers fro many month
During the Holocaust there is a jewish man who has managed to evade the nazi soldiers fro many months. He has finally made it to the border of Germany, but to his dismay, there is a massive river blocking his way with only one bridge over. The bridge was under nazi control and any person caught trying to exit Germany will be killed on the spot, but any Polish person caught trying to enter Germany without the proper papers will be sent back to Poland. There is only one gaurd on this bridge and he only checks the bridge for people every three minutes. Now, no matter how quickly any person may run, this bridge will always take exactly five minutes to cross. How can the German man exit Germany without being caught and killed?
Hint: During the Holocaust there is a jewish man who has managed to evade the nazi sol…
✨ Simply, he walks for two minutes and fifty seconds, then turns around and pretends to walk into Germany
L3 · logic
18
Five women each purchase a household item for use in a different room
Five women each purchase a household item for use in a different room. 1. Mrs. Simpson does not keep her item in the bedroom. 2. Amy has a television; Mrs. Griggs has a hi-fi. 3. Kylie does not keep her item in the bedroom. 4. Clara does not have a telephone. 5. Mrs. Williams does not keep her item in the kitchen. 6. Kylie keeps hers in the conservatory. 7. Michelle has a bookcase; Mrs. Dingle has a computer. 8. Michelle does not keep her in the living room. 9. Mrs. Pringle keeps hers in the study; Roxanne keeps hers in the kitchen. Can you work out the full name of each woman, her item and where she keeps it?
Hint: Five women each purchase a household item for use in a different room…
✨ Kylie Dingle - Conservatory - Computer Amy Williams - Bedroom - Television Clara Griggs - Living Room - Hi-Fi Roxanne Simpson - Kitchen - Telephone Michelle Pringle - Study - Bookcase
L2 · logic
19
Four children, Rob, Danny, Martha and Bent, had a race across the yard
Four children, Rob, Danny, Martha and Bent, had a race across the yard. Danny was as many places behind Martha as Bent was ahead of Rob. Martha was not first and Rob was not second. Who was first, second, third and fourth?
Hint: Four children…
✨ First - Bent Second - Martha Third - Rob Fourth - Danny
L2 · logic
20
Harry went out to dinner with his friends Larry, Barry, and Gary
Harry went out to dinner with his friends Larry, Barry, and Gary. Harry sat across from Gary. At Gary’s right, opposite Barry, sat Larry. When the waiter came for their orders, Larry and Barry ordered steak. Gary chose fish, and Harry (who likes to be difficult) ordered like this: “Unless the man at the left of the man opposite the man who ordered fish is not having what the man across from the man at the right of the man at my left is having, then I’ll have what the man across from the man at the right of the man opposite me ordered. Otherwise, bring me the fettucine alfredo.”Assuming “right”and “left”is from the viewpoint of the diners, what did Harry order?
Hint: Harry went out to dinner with his friends Larry…
✨ What he essentially said to the waiter was: “If Larry ordered the same thing as Gary, I'll have steak.”Since Larry ordered steak and Gary ordered fish, Harry does not get steak