Fun Facts (Hints)
Here are a few facts about logical thinking. They may be able to help you in solving a few of these riddles:
Logic has a few definitions, but is most known as the study of reasoning.
Logic is used everyday in areas like mathematics, computers, and philosophy.
The word logic is derived from the Greek word "logos."
The creation of the study of logic is often attributed to Aristotle.
Aristotle's study of logic has had a tremendous impact on the history of the world.
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Riddles and Answers © 2023
Logical Riddles & Answers

Put your logic skills to the test by spending a little bit of time attempting to solve this challenging set of logical riddles. Keep in mind as you take on these brain teasing questions, that the best way to solve this particular set of questions is to rely upon your common sense. In other words, these aren't the types of riddles that you should have to think about for a long amount of time. The first answer to pop in your head will more than likely be the correct answer.
Happy riddling!
Angel And Devil Door Riddle
You're standing in front of 2 identical doors.
One leads to heaven, one leads to hell.
There is an angel and a devil.
They are identical, but the angel always tells the truth, the devil always lies.
How do you find out which door leads to heaven?
One leads to heaven, one leads to hell.
There is an angel and a devil.
They are identical, but the angel always tells the truth, the devil always lies.
How do you find out which door leads to heaven?
Hint:
Ask either one of them which door "THE OTHER ONE" would tell you was heaven... and that's the hell door. Did you answer this riddle correctly?
YES NO
YES NO
You Come To A Fork In The Road Riddle
You stand at a fork in the road. Next to each of the two forks, there stands a guard. You know the following things: First that one path leads to paradise, the other leads to Death. You cannot distinguish between the two paths. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which path leads to paradise. What one question would you ask to guarantee you take the path to paradise?
Hint:
Ask one of the gaurds 'Which door would the other guard say leads to paradise?' If you ask the truthful one he will say the lying guard would say the wrong door. If you ask the lying guard he would say the truthful gaurd would pick the wrong door as well (since he is lying). So no matter what you could choose the door opposite of what they say and end up in paradise. Did you answer this riddle correctly?
YES NO
YES NO
Prisoners Were Told That They Have A Chance To Be Free Riddle
Prisoners were told that they have a chance to be free. There are 2 doors and a security guard near each door. One guard is a liar and the other one always tells the truth. One door leads to freedom, while the other door will lead the prisoners to the execution room.
The prisoners can talk to only ONE guard, and ask only ONE question. Which question should they ask to find the door that will take them to freedom?
The prisoners can talk to only ONE guard, and ask only ONE question. Which question should they ask to find the door that will take them to freedom?
Hint:
They should ask any guard "is the freedom door next to the lying guard?" If the guard answers "yes" they should go to the other door. if it was the liar, the other door takes them to freedom. If it was the honest guard, the other door is also what the prisoners want. If the guard answers "no" they should go to the door next to him: if it was the liar, the door next to him takes them to freedom. If it was the honest guard, the door next to him is also the right choice. Did you answer this riddle correctly?
YES NO
YES NO
A Blind Girl Lost Her Pencil Riddle
Hint:
I'm Gone Forever Riddle
Miners work quickly to have me but they cant see, touch or smell me. My value is greater than you think but if you lose, me I'm gone forever.
What am I?
What am I?
Hint:
What Am I Missing Riddle
Hint:
In The Jar Riddle
A jar is put on the edge of the table in such a way that half of it is left hanging. What is in the jar?
Hint:
Placed In A Sauce Pan Riddle
Hint:
The Most Amount Of Money
Hint:
Mary! John 'had' 200k but is past tense. Mark 'will' have 500k but does not current have it as the question asks who 'has' the most amount of money. Did you answer this riddle correctly?
YES NO
YES NO
7 Ice Cubes Riddle
I have 7 ice cubes inside a cup of water how many ice cubes do I have left after putting the cup in the freezer?
Hint:
Legs On The Floor Riddle
You walk into the bedroom and on the bed there are 4 monkeys 3 goats 5 dogs 2 cats 3 birds how many legs are there on the floor?
Hint:
Since all of the animals are on the bed, the answer is 6 legs! 4 legs from the bed and your own 2 legs. Did you answer this riddle correctly?
YES NO
YES NO
Sleeping In Your Bedroom Riddle
You stay alone and you are sleeping in your bedroom. Your parents ring your doorbell as they have come to have breakfast with you. You have milk, bread, honey, jam and cornflakes in your house. What is the first thing you will open?
Hint:
You will open your eyes first, then you will open the door! Did you answer this riddle correctly?
YES NO
YES NO
Three Burgers Riddle
Two mother's and two daughters went out to eat. They each had one burger, yet only three burgers were eaten. How is this possible?
Hint:
7 Candles Riddle
Hint:
7, we asked 'how many candles' not 'how many lit candles' Did you answer this riddle correctly?
YES NO
YES NO
A Terrorist Took Over A Plane Riddle
A terrorist hijacks a plane with 10 passengers and there is lots of gold in the plane.
After talking the gold, he asked the government officials for 11 parachutes.
He killed all the passenger so that no one can identify him, take one parachute and jumps off.
Was he stupid to ask for 11 parachutes if he need only one?
After talking the gold, he asked the government officials for 11 parachutes.
He killed all the passenger so that no one can identify him, take one parachute and jumps off.
Was he stupid to ask for 11 parachutes if he need only one?
Hint:
He was genius.
Officials must have thought he was jumping with a hostage, they would never risk giving him a faulty parachute. Did you answer this riddle correctly?
YES NO
Officials must have thought he was jumping with a hostage, they would never risk giving him a faulty parachute. Did you answer this riddle correctly?
YES NO
Post Your Logic Riddles Puns Below
Can you come up with a cool, funny or clever Logic Riddles of your own? Post it below (without the answer) to see if you can stump our users.
1. Why did the logician break up with his girlfriend? Because they had too many fallacies in their relationship.
2. How do you catch a squirrel using formal logic? Set up a syllogism with a nut as the conclusion.
3. Why did the philosopher refuse to go to the grocery store? Because he didn't believe in a posteriori knowledge.
4. Why did the mathematician go on a diet? To solve the weight problem.
5. Why did the chicken cross the road using propositional logic? To get to the other side of the truth table.
6. What do you call a logician who takes a long time to reach a conclusion? A syllogism.
7. How many logicians does it take to change a light bulb? None, they prefer to sit in the dark and contemplate the nature of light.
8. Why couldn't the logician sleep? He kept trying to form an adequate negation of "I am sleepy".
9. Why did the logician wear a two-colored hat? To ensure that the Law of Excluded Middle didn't apply.
10. What do you call a fallacious argument from a cow? A mooot point.
11. Why did the logician refuse to play cards with his friends? Because he doesn't believe in chance.
12. What do you call a logical argument from a whale? A cetacean of reason.
13. Why did the chicken refuse to enter the barn? Because the premise of the door's existence was never established.
14. How many philosophers does it take to change a light bulb? None, they would rather question the existence of light.
15. Why did the logical argument cross the road? To prove it was valid.
16. What do you call perfect deductive reasoning? A genius's argument.
17. Why was the logician's car a convertible? So they could put the top down for implication.
18. How many logicians does it take to screw in a light bulb? They would argue about the definition of "screw".
19. Why did the mathematician take a job as a lion tamer? To solve the problem of fear.
20. What do you call a logical argument from a computer? An algorithm of reasoning.
21. Why did the chicken cross the Mobius strip? To get to the same side.
22. How many philosophers does it take to agree on anything? The world may never know.
23. Why did the logician refuse to go to the beach? There were too many ways to take "wave" out of context.
24. What's the difference between an illogical chicken and a logical chicken? The latter crosses the road with a premise and a conclusion.
25. Why did the philosopher quit smoking? Because he realized that causation does not equal correlation.
26. What do you call a logical argument from a bird? A fowl syllogism.
27. Why did the logician refuse to watch movies? They already knew how it was going to end.
28. Why did the mathematician start a garden? To find a square root.
29. What do you call an argument that can talk but not walk? An invalid conclusion.
30. Why did the logician refuse to enter the world of online dating? Because it contradicts the Law of Identity.
31. What do you call a logical argument from a bee? A logical buzz.
32. How does a logician propose to their significant other? With a valid argument and a promise to never commit a fallacy.
33. Why did the philosopher join a gym? To prove that mind and body are not separate entities.
34. What do you call a logical argument from a snake? A reasoned hiss.
35. Why did the chicken refuse to participate in the Monty Hall problem? They had already established their pick as a matter of existential identity.
36. How do you get a logician to take a break? Present them with an unsolvable paradox.
37. Why did the logician refuse to eat the apple? They were suspicious of the causality behind it.
38. What do you call a logical argument from a hippo? A logical exercise.
39. Why did the philosopher refuse to attend the party? They didn't want to commit to the fallacy of generalization.
40. What do you call a logical argument from a donkey? A logical hee-haw.
41. Why did the logician refuse to go on vacation? The premise and conclusion of relaxation were never clearly defined.
42. What do you call a logical argument from a cricket? A logical chirp.
43. Why did the mathematician invest in the stock market? To solve the problem of exponential growth.
44. How can you tell if a logical argument is lost? It starts to formulate a premise and conclusion in circles.
45. Why did the logician refuse to go to the amusement park? They were integral to an ongoing proof.
46. What do you call a logical argument from a fish? A logical swim.
47. Why did the philosopher refuse to eat meat? They were argumentatively against the premise of animal exploitation.
48. What do you call a logical argument from a squirrel? A logical nut.
49. Why did the logician refuse to get a pet? Too many variables in the equation.
50. What do you call a logical argument from an alligator? A logical snap.
1. Why did the logician break up with his girlfriend? Because they had too many fallacies in their relationship.
2. How do you catch a squirrel using formal logic? Set up a syllogism with a nut as the conclusion.
3. Why did the philosopher refuse to go to the grocery store? Because he didn't believe in a posteriori knowledge.
4. Why did the mathematician go on a diet? To solve the weight problem.
5. Why did the chicken cross the road using propositional logic? To get to the other side of the truth table.
6. What do you call a logician who takes a long time to reach a conclusion? A syllogism.
7. How many logicians does it take to change a light bulb? None, they prefer to sit in the dark and contemplate the nature of light.
8. Why couldn't the logician sleep? He kept trying to form an adequate negation of "I am sleepy".
9. Why did the logician wear a two-colored hat? To ensure that the Law of Excluded Middle didn't apply.
10. What do you call a fallacious argument from a cow? A mooot point.
11. Why did the logician refuse to play cards with his friends? Because he doesn't believe in chance.
12. What do you call a logical argument from a whale? A cetacean of reason.
13. Why did the chicken refuse to enter the barn? Because the premise of the door's existence was never established.
14. How many philosophers does it take to change a light bulb? None, they would rather question the existence of light.
15. Why did the logical argument cross the road? To prove it was valid.
16. What do you call perfect deductive reasoning? A genius's argument.
17. Why was the logician's car a convertible? So they could put the top down for implication.
18. How many logicians does it take to screw in a light bulb? They would argue about the definition of "screw".
19. Why did the mathematician take a job as a lion tamer? To solve the problem of fear.
20. What do you call a logical argument from a computer? An algorithm of reasoning.
21. Why did the chicken cross the Mobius strip? To get to the same side.
22. How many philosophers does it take to agree on anything? The world may never know.
23. Why did the logician refuse to go to the beach? There were too many ways to take "wave" out of context.
24. What's the difference between an illogical chicken and a logical chicken? The latter crosses the road with a premise and a conclusion.
25. Why did the philosopher quit smoking? Because he realized that causation does not equal correlation.
26. What do you call a logical argument from a bird? A fowl syllogism.
27. Why did the logician refuse to watch movies? They already knew how it was going to end.
28. Why did the mathematician start a garden? To find a square root.
29. What do you call an argument that can talk but not walk? An invalid conclusion.
30. Why did the logician refuse to enter the world of online dating? Because it contradicts the Law of Identity.
31. What do you call a logical argument from a bee? A logical buzz.
32. How does a logician propose to their significant other? With a valid argument and a promise to never commit a fallacy.
33. Why did the philosopher join a gym? To prove that mind and body are not separate entities.
34. What do you call a logical argument from a snake? A reasoned hiss.
35. Why did the chicken refuse to participate in the Monty Hall problem? They had already established their pick as a matter of existential identity.
36. How do you get a logician to take a break? Present them with an unsolvable paradox.
37. Why did the logician refuse to eat the apple? They were suspicious of the causality behind it.
38. What do you call a logical argument from a hippo? A logical exercise.
39. Why did the philosopher refuse to attend the party? They didn't want to commit to the fallacy of generalization.
40. What do you call a logical argument from a donkey? A logical hee-haw.
41. Why did the logician refuse to go on vacation? The premise and conclusion of relaxation were never clearly defined.
42. What do you call a logical argument from a cricket? A logical chirp.
43. Why did the mathematician invest in the stock market? To solve the problem of exponential growth.
44. How can you tell if a logical argument is lost? It starts to formulate a premise and conclusion in circles.
45. Why did the logician refuse to go to the amusement park? They were integral to an ongoing proof.
46. What do you call a logical argument from a fish? A logical swim.
47. Why did the philosopher refuse to eat meat? They were argumentatively against the premise of animal exploitation.
48. What do you call a logical argument from a squirrel? A logical nut.
49. Why did the logician refuse to get a pet? Too many variables in the equation.
50. What do you call a logical argument from an alligator? A logical snap.