Welcome to the toughest riddles on RiddleJoy. These 150 very hard riddles are built to make you pause, backtrack, and rethink everything you assumed, from logic puzzles and paradoxes to wordplay traps and time twists. Only the sharpest solvers will crack them all, so take your time and enjoy the challenge.
150 Very Hard Riddles Riddles
Two coins add up to thirty cents, and one of them is not a nickel. What are the two coins?
Answer: A quarter and a nickel.
A father and son are in a car crash and the father dies. The surgeon says, ‘I cannot operate, that boy is my son!’ Who is the surgeon?
Answer: His mother.
A man is locked in a room with no doors or windows. Inside there is only a mirror and a table. How does he escape?
Answer: The saw in the mirror.
A man lives on the twentieth floor and takes the elevator down every morning. On rainy days he rides all the way up, but on sunny days he only rides to the tenth floor and walks the rest. Why?
Answer: His umbrella.
A woman shoots her husband, then holds him under water for five minutes, then hangs him. An hour later they sit down to dinner together. How is that possible?
Answer: She developed his photograph.
A man is found dead in the middle of a field, with an unopened package beside him. How did he die?
Answer: His parachute did not open.
A cowboy rides into town on Friday, stays three days, and rides out on Friday. How is that possible?
Answer: His horse is named Friday.
A man pushes his car up to a hotel and tells the owner he is bankrupt. Why?
Answer: He is playing Monopoly.
What is the next number in this sequence: 1, 11, 21, 1211, 111221?
Answer: 312211.
A rooster lays an egg on the peak of a slanted roof. Which side does it roll down?
Answer: Neither. Roosters do not lay eggs.
What can you hold in your right hand but never in your left?
Answer: Your left hand.
If a plane crashes exactly on the border of the United States and Canada, where are the survivors buried?
Answer: Nowhere. Survivors are not buried.
What five-letter word becomes a single number when you remove its first two letters?
Answer: Alone.
A man is found hanging from a rope in a locked room, with a puddle of water on the floor and nothing else. How did he die?
Answer: He stood on a block of ice that melted.
A man walks into a bar, asks for a glass of water, and the bartender points a gun at him. The man says thank you and leaves. Why?
Answer: He had the hiccups.
One side of a card reads, ‘The sentence on the other side is true.’ The other side reads, ‘The sentence on the other side is false.’ Which side is correct?
Answer: Neither. It is a paradox.
A barber shaves every man in town who does not shave himself, and no one else. Who shaves the barber?
Answer: No one can. It is a paradox.
Can a man legally marry his widow’s sister?
Answer: No. He is dead.
What is always in front of you, but you can never see it?
Answer: The future.
What is always behind you, but never in front of you?
Answer: The past.
If you try to fail, and you succeed, what have you done?
Answer: You have failed and succeeded at the same time.
A man says, ‘I am lying.’ Is he telling the truth?
Answer: It is a paradox. Neither answer works.
If everything is possible, can anything be impossible?
Answer: It is a paradox. The question defeats itself.
What kind of statement can be both true and false at the same time?
Answer: A paradox.
Which weighs more: a pound of feathers or a pound of gold?
Answer: They weigh the same.
What is the next number in this sequence: 2, 3, 5, 9, 17, 33?
Answer: 65.
A snail climbs a 10-foot wall, rising 3 feet each day and slipping back 2 feet each night. How many days does it take to reach the top?
Answer: 8 days.
A lily pad doubles in size every day and covers the whole pond in 48 days. On which day was the pond half covered?
Answer: Day 47.
If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?
Answer: 5 minutes.
A book costs $1 plus half its price. How much does the book cost?
Answer: $2.
I am a three-digit number. My tens digit is five more than my ones digit. My hundreds digit is eight less than my tens digit. What am I?
Answer: 194.
How many times does the digit 9 appear between 1 and 100?
Answer: 20.
A man is four times as old as his son. In 20 years he will be twice as old as his son. How old is the son now?
Answer: 10 years old.
What is half of a quarter of a third of 240?
Answer: 10.
A farmer has 17 sheep, and all but 9 run away. How many sheep are left?
Answer: 9.
Divide 30 by half and add 10. What do you get?
Answer: 70.
What is 3/7 of a chicken, 2/3 of a cat, and 1/2 of a goat?
Answer: Chicago.
What is the next letter in this sequence: O, T, T, F, F, S, S, E?
Answer: N.
I am a two-digit number equal to twice the sum of my digits. What am I?
Answer: 18.
A clock strikes six in six seconds. How long does it take to strike twelve?
Answer: 13.2 seconds.
A man lives on the tenth floor. Every day he takes the elevator down, but when he comes home he only rides to the seventh floor and walks the rest, unless it is raining. Why?
Answer: He is too short to reach the tenth-floor button, but he can reach it with his umbrella.
What do you get when you multiply all the numbers on a telephone keypad together?
Answer: 0.
A man buys a horse for $60, sells it for $70, buys it back for $80, and sells it for $90. How much profit does he make?
Answer: $20.
There are 3 apples in a bowl and you take away 2. How many apples do you have?
Answer: 2.
What can be measured but never seen?
Answer: Time.
Forward I am heavy, but backwards I am not. What am I?
Answer: Ton.
What five-letter word becomes ‘one’ when you remove two letters?
Answer: Stone.
What is the next number in this sequence: 1, 2, 6, 24, 120?
Answer: 720.
What is the next number in this sequence: 3, 6, 11, 18, 27?
Answer: 38.
What is the next number in this sequence: 1, 1, 2, 3, 5, 8?
Answer: 13.
What is the next number in this sequence: 2, 6, 12, 20, 30?
Answer: 42.
What is the next number in this sequence: 1, 3, 6, 10, 15?
Answer: 21.
What number comes next in this sequence: 8, 5, 4, 9, 1, 7, 6, 3, 2, 0?
Answer: None. The list is complete.
What is the next letter in this sequence: A, C, F, J, O?
Answer: U.
What is the next letter in this sequence: J, F, M, A, M, J, J, A, S, O, N, D?
Answer: J.
What is the next letter in this sequence: O, T, T, F, F, S, S, E, N, T?
Answer: E.
What is the next number in this sequence: 0, 1, 8, 11, 69, 88, 96, 101?
Answer: 111.
What is the next number in this sequence: 2, 3, 5, 7, 11, 13?
Answer: 17.
What is the next number in this sequence: 4, 6, 8, 9, 10, 12?
Answer: 14.
What is the next number in this sequence: 3, 3, 5, 4, 4, 3, 5, 5, 4?
Answer: 3.
Yesterday was three days before Wednesday. What day is today?
Answer: Monday.
A man leaves home, runs, turns left, runs, turns left, runs, turns left, and runs home. When he arrives, two masked men are waiting for him. Who are they?
Answer: The catcher and the umpire.
The day before two days after the day before tomorrow is Saturday. What day is today?
Answer: Friday.
If today is Wednesday, what day of the week will it be in 100 days?
Answer: Friday.
A woman was born in 1975 and died in 1975, yet she lived to be 75 years old. How is that possible?
Answer: 1975 was her hospital room number.
What never asks a question but is always answered?
Answer: A doorbell.
What is the beginning of eternity, the end of time and space, and the start of every end?
Answer: The letter E.
What occurs once in a second, once in a century, but never in a decade?
Answer: The letter C.
What letter is in the middle of the word MARCH and APRIL?
Answer: The letter R.
What walks on four legs in the morning, two legs at noon, and three legs in the evening?
Answer: A human.
What English word has three consecutive double letters?
Answer: Bookkeeper.
What English word is pronounced the same even if you remove four of its five letters?
Answer: Queue.
What is the only English word that ends in ‘mt’?
Answer: Dreamt.
What English words end in ‘gry’?
Answer: Angry and hungry.
What English word is both a color and a fruit?
Answer: Orange.
What English word has no vowels?
Answer: Rhythm.
What word is spelled the same in the past and present tense, but pronounced differently?
Answer: Read.
What English word has all five vowels in alphabetical order?
Answer: Facetious.
What English word has all five vowels in reverse alphabetical order?
Answer: Subcontinental.
What word reads the same upside down as it does right side up?
Answer: Swims.
What word reads the same forwards and backwards?
Answer: Racecar.
What word has 5 letters but sounds like only 1?
Answer: Queue.
What is the longest word in the English language?
Answer: Smiles.
What is in the center of gravity?
Answer: The letter V.
What is at the end of a rainbow?
Answer: The letter W.
What can you hold in your left hand but never in your right hand?
Answer: Your right elbow.
What has four wheels and flies?
Answer: A garbage truck.
What is full of holes but never leaks?
Answer: A sponge.
What is black when you buy it, red when you use it, and gray when you throw it away?
Answer: Charcoal.
What can you give with words alone, and break with words alone?
Answer: A promise.
What can you break without ever touching it?
Answer: Silence.
What runs around a yard without ever moving?
Answer: A fence.
What has a bottom at the top?
Answer: Your legs.
What can travel around the world without ever leaving its corner?
Answer: A stamp.
What has a ring but cannot marry?
Answer: A telephone.
What can you keep even after giving it to someone?
Answer: Your word.
What has a mouth but never speaks, and a bed but never sleeps?
Answer: A river.
What grows sharper the more you use it?
Answer: Your mind.
What word starts with E and ends with E but only has one letter?
Answer: An envelope.
A man is found dead in a field with a backpack on. How did he die?
Answer: His parachute did not open.
Three guests split a $30 room, paying $10 each. The clerk refunds $5, the bellhop keeps $2 and returns $1 to each guest. Each guest has now paid $9, which totals $27, plus the $2 the bellhop kept makes $29. Where is the missing dollar?
Answer: There is no missing dollar. The $27 already includes the bellhop’s $2.
A drawer holds 5 black socks and 5 white socks. In the dark, how many socks must you pull out to be sure of a matching pair?
Answer: 3.
A drawer holds 10 black socks and 10 white socks. In the dark, how many must you pull out to be sure of a black pair?
Answer: 12.
You are freezing, with a match in your hand, and in front of you are a stove, a lamp, and a candle. What do you light first?
Answer: The match.
What is the next number in this sequence: 1, 4, 27, 256?
Answer: 3125.
A man walks into a restaurant, orders albatross soup, takes one bite, and then shoots himself. Why?
Answer: He realized the meat he ate while shipwrecked was his wife, not albatross.
A man is found dead in the middle of a desert, holding a straw in his hand. How did he die?
Answer: He drew the short straw and jumped from a crashing plane without a parachute.
Two men play five games of chess. Each man wins three games. How is that possible?
Answer: They were not playing each other.
A murderer must choose one of three rooms: one full of raging fires, one full of assassins with loaded guns, and one full of lions that have not eaten in three years. Which room should he choose?
Answer: The room with the starving lions. They would already be dead.
You are running in a race and you pass the person in second place. What place are you in now?
Answer: Second.
You are running in a race and you pass the person in last place. What place are you in now?
Answer: You cannot. You are already last.
Three boxes hold gold coins, silver coins, and a mix of both, but every label is wrong. You may take one coin from one box. Which box do you take it from to label all three correctly?
Answer: The box labeled mixed.
You are blindfolded, with 10 coins on a table: 5 heads up and 5 tails up. How do you split them into two piles with the same number of heads in each pile?
Answer: Take any five coins and flip them all.
You have two ropes that each burn for exactly 60 minutes, but they burn unevenly. How do you measure exactly 45 minutes?
Answer: Light one rope at both ends and the other at one end.
You have 12 identical balls, and one weighs slightly more than the rest. Using a balance scale only three times, how do you find the heavy ball?
Answer: Weigh four against four, then one against one.
Four people must cross a rickety bridge at night with one torch. One takes 1 minute, one takes 2, one takes 5, and one takes 10, and at most two can cross at once. What is the fastest they can all cross?
Answer: Seventeen minutes, with the two slowest crossing together.
A farmer must take a wolf, a goat, and a cabbage across a river, but his boat holds only him and one thing at a time. How does he get them all across safely?
Answer: Take the goat first, then the wolf, bring the goat back, take the cabbage, then return for the goat.
You are in a room with three switches, and in the next room are three light bulbs. You may enter the next room only once. How do you learn which switch controls which bulb?
Answer: Turn on one switch, wait, turn it off, turn on another, then check which bulb is warm.
You are driving a bus. At the first stop 3 people get on, at the second stop 5 get on and 2 get off, and at the third stop 1 gets on. What is the name of the bus driver?
Answer: Your name. You are the driver.
A man is found dead in a locked room, surrounded by 53 bicycles. How did he die?
Answer: He was cheating at cards.
A man is found dead in a locked room, with only a broken bowl and a puddle of water beside him. How did he die?
Answer: He was a goldfish.
A man is found dead in a small cabin in the woods, and the cabin is completely destroyed. How did he die?
Answer: The cabin was a plane cabin.
A man has a barrel of water that weighs 20 pounds. He adds something to it, and it weighs less. What did he add?
Answer: A hole.
What is lighter than a feather but no one can hold it for long?
Answer: Your breath.
What falls but never breaks, and breaks but never falls?
Answer: Night falls and day breaks.
What has 100 legs but cannot walk?
Answer: Fifty pairs of trousers.
What is the smallest room in the world?
Answer: A mushroom.
What has a tongue but cannot speak?
Answer: A shoe.
What do you throw out when you want to use it, and take in when you do not?
Answer: An anchor.
What is the best thing to put into a pie?
Answer: Your teeth.
What can point in every direction but never move?
Answer: A weathervane.
A man lives on the tenth floor. Every day he takes the elevator down, but he only takes it up to the seventh floor and walks the rest. Why?
Answer: He is too short to reach the tenth floor button.
What letter is in the middle of nowhere?
Answer: The letter H.
What has a heart that does not beat and a mouth that does not speak?
Answer: An artichoke.
What is at the end of everything?
Answer: The letter G.
What has one eye but cannot see?
Answer: A needle.
What gets harder to get out of the longer you stay?
Answer: A habit.
What must be fed to survive, yet dies when you give it a drink?
Answer: Fire.
What is the largest ant in the world?
Answer: An elephant.
A man is found dead in an open field, a sealed pack on his back. What happened?
Answer: His parachute did not open.
What is black and white and read all over?
Answer: A newspaper.
What is red and smells like blue paint?
Answer: Red paint.
What do you call a fish without any eyes?
Answer: A fsh.
What is the difference between a jeweler and a jailer?
Answer: One sells watches, the other watches cells.
What goes up and down but never moves?
Answer: A staircase.
What can go up a chimney down, but cannot go down a chimney up?
Answer: An umbrella.
A man is 24 years old and his son is 6. In how many years will the man be twice as old as his son?
Answer: 12 years.
What is made of wood but cannot be sawed?
Answer: Sawdust.
What is in the middle of the night?
Answer: The letter G.
What is in the middle of the sea?
Answer: The letter E.
Frequently Asked Questions
How hard are these very hard riddles?
They are the toughest riddles on this site, mixing logic puzzles, paradoxes, and wordplay traps that often have counterintuitive answers. Most people will need more than one try, and that is part of the fun.
Are these very hard riddles good for game night?
Yes, they work great for game nights, trivia rounds, and brain-teaser contests, because many of them spark debate before the answer clicks. Just keep the answers handy so the game keeps moving.
What is the best tip for solving a logic riddle?
Read the question twice and question every assumption it invites you to make, because the trick is usually hiding in a word you took for granted. If you are stuck, try working backwards from the answer you expect.
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