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Logic Riddles (with Answers)

Logic riddles ask you to combine facts, spot a contradiction, or track quantities and order. They often read longer or include more than one clause, because the trick is in how the pieces fit together. This hub highlights riddles we mark as logic-style using word-count, question marks, and phrasing like “how many” or conditional setups.

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Each result links to a full riddle page with the answer and a short explanation of why it works. If you prefer wordplay over step-by-step reasoning, browse tricky-riddles; if you want minimal text, try short-riddles. All of these hubs include answers so you can verify the reasoning quickly.

Riddles in this collection

  1. In a year, there are 12 months. Seven months have 31 days. How many months have 28 days?
  2. Jimmy’s mother had four children. She named the first Monday. She named the second Tuesday, and she named the third Wednesday. What is the name of the fourth child?
  3. Which is heavier? A pound of feathers or a pound of rocks?
  4. I do not have any special powers, but I can predict the score of any football game before it begins. How can I do this?
  5. First, I threw away the outside and cooked the inside. Then I ate the outside and threw away the inside. What did I eat?
  6. You are a cyclist in a cross-country race. Just before the crossing finish line, you overtake the person in second place. In what place did you finish?
  7. A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?
  8. A man left home running. He ran a ways and then turned left, ran the same distance and turned left again, ran the same distance and turned left again. When he got home, there were two masked men. Who…
  9. Your dad tells you that he will pay you $6.00 an hour for the 6 seconds that you take to wash your hands before dinner. How much did you make washing your hands?
  10. A boy is walking down the road with a doctor. While the boy is the doctor’s son, the doctor is not the boy’s father. Then who is the doctor?
  11. Joseph and Lena are found dead on the floor with some water around. The windows are open and a strong wind draft is blowing the curtains around. How did they die?
  12. A man condemned to death has the option of picking one of the mentioned three rooms. The first room is a furnace filled with flames. The second has armed men with loaded guns, while the third has lio…
  13. Your parents have six sons including you and each son has one sister. How many people are in the family?
  14. How many bananas can you eat if your stomach is empty?
  15. Poor people have it. Rich people need it. If you eat it, you’ll die. What is it?
  16. I have a head but no body, a heart but no blood. Just leaves and no branches, I grow without wood. What am I?
  17. If a rooster laid a brown egg and a white egg, what kind of chicks would hatch?
  18. How much dirt is in a hole 4 feet deep and 2 feet wide?
  19. If you have it, you want to share it. If you share it, you don't have it. What is it?
  20. If you were in a dark room with a candle, a woodstove, a match and a gas lamp which do you light first?
  21. A farmer had seventeen sheep, all but nine died, how many did he have left?
  22. I can only live where there is light, but I die if the light shines on me. What am I?
  23. A boy was rushed to the hospital emergency room. The ER doctor saw the boy and said, “I cannot operate on this boy. He is my son.” But the doctor was not the boy’s father. How could that be?
  24. If an electric train is going east at 60 miles an hour and there is a strong westerly wind, which way does the smoke from the train drift?
  25. How can you throw a ball as hard as you can, to only have it come back to you, even if it doesn’t bounce off anything?
  26. I have a large money box, 48 centemeters square and 42 centemeters tall. Roughly how many coins can I place in my empty money box?
  27. I say everything I hear to others around. I'm not an animal, nor part of the human race. I will, immediately, repeat after you; But only if my tail is in place. What am I?
  28. A woman shot her husband. Then she held him underwater for 5 minutes, then she finally hung him. 5 minutes later they both walked out and enjoyed a nice dinner. How is this possible?
  29. A man was shot to death while in his car. There were no powder marks on his clothing, which indicated that the gunman was outside the car. However, all the windows were up and the doors locked. After…
  30. Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?
  31. A man and a woman were driving in their car when it broke down. The man decided to go for help at a gas station a few miles back. He made sure nobody was in the car, rolled all the windows up, and lo…
  32. Farmer Brown came to town with some watermelons. He sold half of them plus half a melon, and found that he had one whole melon left. How many melons did he take to town?
  33. I have two arms, but fingers none. I have two feet, but cannot run. I carry well, but I have found I carry best with my feet OFF the ground. What am I?
  34. A man moved into a new house and decided he was tired after the journey and turned of all the lights and went to bed. The next morning he had killed 365 people how could this be? he does not sleep wa…
  35. Even if you give this to someone else, you still get to keep it. What is it?
  36. It goes up, but at the same time goes down. Up toward the sky, and down toward the ground. It's present tense and past tense too, come for a ride, just me and you. What is it?
  37. I always follow you around, everywhere you go at night. I look very bright to people, but I can make the sun dark. I can be in many different forms and shapes. What am I?
  38. A certain number has three digits. The sum of the three digits equals 36 times this number. Seven times the left digit plus 9 is equal to 5 times the sum of the two other digits. 8 times the second d…
  39. It's the only vegetable or fruit that is never sold frozen, canned, processed, cooked, or in any other form but fresh. What is it?
  40. I turn around once. What is out will not get in. I turn around again. What is in will not get out. What am I?
  41. I always follow my brother but you cannot see me, only him. You cannot hear him but you can hear me. What are we?
  42. If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?
  43. If you tell me the truth I will kill you with my sword, if you tell me a lie I will kill you with my spell. What must you say to survive?
  44. I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?
  45. Every night and every morning I am told what to do and I do it, yet everyone is still mad at me? What am I?
  46. It is greater than God and more evil than the devil. The poor have it, the rich need it and if you eat it you’ll die. What is it?
  47. I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?
  48. I am a word. If you pronounce me rightly, it will be wrong. If you pronounce me wrong it is right? What word am I?
  49. It has hands but cannot clap? What is it?
  50. It has a hundred limbs, but cannot walk? What is it?

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