80 Logic Riddles with Answers
Train your brain and challenge your thinking with these clever logic riddles. Perfect for puzzles, brain teasers, or group problem-solving!
- What comes next in the sequence: 1, 3, 5, 7, ___?
Answer: 9
- Two fathers and two sons went fishing. They caught three fish and each one got a fish. How is this possible?
Answer: They were grandfather, father, and son
- I am an odd number. Take away one letter and I become even. What am I?
Answer: Seven
- If there are 4 apples and you take away 3, how many do you have?
Answer: 3
- A clerk at a butcher shop stands 5 feet 10 inches tall and wears size 10 shoes. What does he weigh?
Answer: Meat
- How can a man go eight days without sleep?
Answer: He sleeps at night
- A man pushes his car to a hotel and tells the owner he’s bankrupt. What happened?
Answer: He’s playing Monopoly
- What has four fingers and a thumb but is not alive?
Answer: A glove
- Before Mount Everest was discovered, what was the highest mountain on Earth?
Answer: Mount Everest
- If you have only one match and enter a dark room with an oil lamp, kindling, and a candle, which do you light first?
Answer: The match
- A cowboy rode into town on Friday, stayed three days, and left on Friday. How?
Answer: His horse’s name is Friday
- Which weighs more, a pound of feathers or a pound of bricks?
Answer: Neither, they weigh the same
- What can you put between 7 and 8 to make it greater than 7 but less than 8?
Answer: A decimal (7.8)
- What is full of holes but still holds water?
Answer: A sponge
- The more you take, the more you leave behind. What are they?
Answer: Footsteps
- You see a boat filled with people, yet there isn’t a single person on board. How?
Answer: All the people are married
- What number comes next in the sequence: 2, 4, 8, 16, ___?
Answer: 32
- If there are three apples and you take away two, how many do you have?
Answer: Two
- What is always in front of you but can’t be seen?
Answer: The future
- What disappears as soon as you say its name?
Answer: Silence
🔍 Intermediate Logic Riddles (21–40)
- You’re in a race and pass the person in second place. What position are you in?
Answer: Second
- If ten birds are on a tree and a hunter shoots one, how many are left?
Answer: None, they all flew away
- A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many siblings are there?
Answer: Four sisters and three brothers
- What comes once in a minute, twice in a moment, but never in a thousand years?
Answer: The letter M
- What begins and has no end, and is the key to everything?
Answer: Knowledge
- A farmer has 17 sheep, and all but 9 run away. How many are left?
Answer: 9
- If two’s company and three’s a crowd, what are four and five?
Answer: Nine
- Which letter comes next: O, T, T, F, F, S, S, E, ___?
Answer: N (for Nine)
- 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 is in the photograph?
Answer: His son
- A woman shoots her husband, holds him underwater for five minutes, and hangs him. Later, they enjoy dinner. How?
Answer: She took his photo and developed it
- The more of me you take, the more you leave behind. What am I?
Answer: Footsteps
- A rooster lays an egg on the rooftop. Which way does it roll?
Answer: It doesn’t — roosters don’t lay eggs
- You’re in a dark room with a candle, a wood stove, and a gas lamp. You only have one match. What do you light first?
Answer: The match
- If a plane crashes on the border of the U.S. and Canada, where do they bury the survivors?
Answer: You don’t bury survivors
- A girl fell off a 30-foot ladder but wasn’t hurt. How?
Answer: She fell off the bottom rung
- What has one eye but can’t see?
Answer: A needle
- If it takes five machines five minutes to make five widgets, how long would it take 100 machines to make 100 widgets?
Answer: Five minutes
- You have two coins totaling 30 cents. One of them is not a nickel. What are they?
Answer: A quarter and a nickel (only one is not a nickel)
- What is so fragile that saying its name breaks it?
Answer: Silence
- Forward I am heavy, but backward I am not. What am I?
Answer: Ton
Challenging Logic Riddles
- If you throw a red stone into the blue sea, what will it become?
Answer: Wet
- What starts with “e,” ends with “e,” and contains one letter?
Answer: Envelope
- If you have me, you want to share me. If you share me, you haven’t got me. What am I?
Answer: A secret
- I’m always in front of you, but you’ll never see me. What am I?
Answer: The future
- What invention lets you look through a wall?
Answer: A window
- What flies without wings and cries without eyes?
Answer: Cloud
- The more you take away from me, the bigger I become. What am I?
Answer: A hole
- What has keys but no locks, space but no room?
Answer: Keyboard
- What has 13 hearts but no other organs?
Answer: A deck of cards
- If a train station is where the train stops, what is a workstation?
Answer: Where work stops
- You walk into a room with a match, a candle, and a fireplace. What do you light first?
Answer: The match
- What five-letter word becomes shorter when you add two letters to it?
Answer: Short
- What do you own but others use more than you?
Answer: Your name
- What can run but never walks?
Answer: Water
- What comes once in a year, twice in a week, but never in a day?
Answer: The letter E
- If you drop me I’m sure to crack, but smile at me and I’ll smile back. What am I?
Answer: Mirror
- Which is heavier: a ton of bricks or a ton of feathers?
Answer: Neither, they weigh the same
- What two numbers make a hundred when added together and multiplied together?
Answer: 50 and 50
- What has many keys but can’t open any doors?
Answer: Piano
- I speak without a mouth and hear without ears. What am I?
Answer: Echo
Group & Puzzle Logic Riddles
- Two people are born on the same day, month, and year, yet they are not twins. How?
Answer: They are triplets (or more)
- What is black when you buy it, red when you use it, and gray when you throw it away?
Answer: Charcoal
- What comes in the middle of America?
Answer: The letter “r”
- What’s harder to catch the faster you run?
Answer: Your breath
- I’m not alive, but I grow; I don’t have lungs, but I need air. What am I?
Answer: Fire
- You see me once in June, twice in November, and not at all in May. What am I?
Answer: The letter E
- What has cities but no houses, rivers but no water, and forests but no trees?
Answer: A map
- What kind of cup doesn’t hold water?
Answer: Cupcake
- You answer me, although I never ask you questions. What am I?
Answer: Telephone
- Which month has 28 days?
Answer: All of them
- What has one head, one foot, and four legs?
Answer: Bed
- The more you take from me, the more I grow. What am I?
Answer: Debt
- What has 88 keys but can’t open a single door?
Answer: Piano
- What begins with T, ends with T, and has T in it?
Answer: Teapot
- If you spell “sit in the tub” backward, what do you get?
Answer: A wet butt
- What’s always running but never moves?
Answer: Time
- A man stands on one side of a river, his dog on the other. He calls the dog, who crosses without getting wet. How?
Answer: The river is frozen
- A man was born in 1955 and died in 1953. How is this possible?
Answer: Those are hospital room numbers
- What can’t be used until it’s broken?
Answer: Egg
- What is easy to lift but hard to throw?
Answer: Feather
Logic riddles aren’t just fun! They sharpen your mind, boost problem-solving, and make excellent conversation starters. Share them with friends, use them in classrooms, or just test yourself during a break!