Brain Teasers Online – Fun Tricky Puzzles & Brain Games
You can play brain teasers and thinking games on the internet. These games are fun. They have a lot of tricky puzzles. When you play these games you can improve your thinking. Be more creative. The puzzles are simple. They are also very clever.
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BRAIN TEASER
Brain Teaser #1
A man pushes his car to a hotel and tells the owner he’s bankrupt. Why?
💡 The Solution
He’s playing Monopoly.
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BRAIN TEASER
Brain Teaser #2
You are in a room that has three switches and a closed door….
💡 The Solution
Turn on the first two switches. Leave them on for five minutes. Once five minutes has passed, turn off the second switch, leaving one switch on. Now go through the door. The light that is still on is connected to the first switch. Whichever of the other two is warm to the touch is connected to the second switch. The bulb that is cold is connected to the switch that was never turned on.
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BRAIN TEASER
Brain Teaser #3
I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What color was the bear?
💡 The Solution
White. How do you get to the answer in this tricky animal riddle? The only place you can hike 3 miles south, then east for 3 miles, then north for 3 miles and end up back at your starting point is the North Pole. Polar bears are the only bears that live at the North Pole, and they are white.
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BRAIN TEASER
Brain Teaser #4
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?
💡 The Solution
His son.
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BRAIN TEASER
Brain Teaser #5
What is special about these words: job, polish, herb?
💡 The Solution
They are pronounced differently when the first letter is capitalized.
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BRAIN TEASER
Brain Teaser #6
Forrest left home running. He ran for a while and turned left, ran the same distance and turned left again, and then ran the same distance and turned left again. When he got home, there were two masked men. Who were they?
💡 The Solution
The catcher and the umpire.
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BRAIN TEASER
Brain Teaser #7
A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?
💡 The Solution
The river was frozen.
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BRAIN TEASER
Brain Teaser #8
In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?
💡 The Solution
The person was born in 2005 BCE.
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BRAIN TEASER
Brain Teaser #9
A sundial has the fewest moving parts of any timepiece. Which has the most?
💡 The Solution
An hourglass. It has thousands of grains of sand.
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BRAIN TEASER
Brain Teaser #10
What makes this number unique: 8,549,176,320?
💡 The Solution
It has each number, zero through nine, listed in alphabetical order.
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BRAIN TEASER
Brain Teaser #11
Arnold Schwarzenegger has a long one. Michael J. Fox has a short one. Madonna does not use hers. Bill Clinton always uses his. The pope never uses his. What is it?
💡 The Solution
Their surname.
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BRAIN TEASER
Brain Teaser #12
What five-letter word becomes shorter when you add two letters to it?
💡 The Solution
Short. That’s a literal and figurative short riddle. (Sorry, we couldn’t help ourselves.)
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BRAIN TEASER
Brain Teaser #13
Your parents have six sons including you, and each son has one sister. How many people are in the family?
💡 The Solution
Nine—two parents, six sons and one daughter.
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BRAIN TEASER
Brain Teaser #14
I am the beginning of sorrow and the end of sickness. You cannot express happiness without me, yet I am in the midst of crosses. I am always in risk yet never in danger. You may find me in the sun, but I am never out of darkness.
💡 The Solution
The letter S.
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BRAIN TEASER
Brain Teaser #15
An Arab sheik is old and must leave his fortune to one of his two sons….
💡 The Solution
The rules of the race were that the owner of the camel that crosses the finish line last wins the fortune. The wise man simply told them to switch camels.
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BRAIN TEASER
Brain Teaser #16
A man was walking in the rain. He was in the middle of nowhere. He had nothing and nowhere to hide. He came home all wet, but not a single hair on his head was wet. Why is that?
💡 The Solution
The man was bald.
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BRAIN TEASER
Brain Teaser #17
Fourteen of the kids in the class are girls. Eight of the kids wear blue shirts. Two of the kids are neither girls or wear a blue shirt. If five of the kids are girls who wear blue shirts, how many kids are in the class?
💡 The Solution
19. This one is a great brain teaser for kids.
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BRAIN TEASER
Brain Teaser #18
Paul’s height is 6 feet, he’s an assistant at a butcher’s shop and he wears size 9 shoes. What does he weigh?
💡 The Solution
Meat.
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BRAIN TEASER
Brain Teaser #19
The person who makes it has no need for it. The person who purchases it does not use it. The person who does use it does not know he or she is. What is it?
💡 The Solution
A coffin. If you have a thing for dark riddles like that, we have plenty of brain teasers in that vein to satisfy your morbid curiosity.
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BRAIN TEASER
Brain Teaser #20
You’re escaping a maze, and there are three doors in front of you….
💡 The Solution
The door on the right. A lion that hasn’t eaten in three months would be dead.
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BRAIN TEASER
Brain Teaser #21
What has cities, but no houses; forests, but no trees; and water, but no fish?
💡 The Solution
A map.
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BRAIN TEASER
Brain Teaser #22
If I am holding a bee, what do I have in my eye?
💡 The Solution
Beauty. Because beauty is in the eye of the beholder (bee holder).
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BRAIN TEASER
Brain Teaser #23
How can 8 + 8 = 4?
💡 The Solution
When you think in terms of time. 8 a.m. + 8 hours = 4 o’clock. As with many of these tricky brain teasers and logic puzzles, you have to shift your thinking to get to the answer!
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BRAIN TEASER
Brain Teaser #24
The water level in a reservoir is low but doubles every day. It takes 60 days to fill the reservoir. How long does it take for the reservoir to become half full?
💡 The Solution
59 days. How does this math riddle work? If the water level doubles every day, the reservoir on any given day was half the size the day prior. If the reservoir is full on day 60, that means it was half full on day 59, not on day 30.
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BRAIN TEASER
Brain Teaser #25
A farmer needs to take a fox, a chicken and a sack of grain across a river….
💡 The Solution
The farmer must follow these steps.
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BRAIN TEASER
Brain Teaser #26
What is 3/7 chicken, 2/3 cat and 2/4 goat?
💡 The Solution
Chicago.
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BRAIN TEASER
Brain Teaser #27
A red house is made from red bricks. A blue house is made from blue bricks. A yellow house is made from yellow bricks. What is a green house made from?
💡 The Solution
Glass.
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BRAIN TEASER
Brain Teaser #28
Why is the letter F like death?
💡 The Solution
Because without it, life is a lie, or it makes life a lie.
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BRAIN TEASER
Brain Teaser #29
A man describes his daughters, saying, “They are all blonde but two; all brunette but two; and all redheaded but two.” How many daughters does he have?
💡 The Solution
Three. A blonde, a brunette and a redhead. If you like this brain teaser, try the “Mr. Smith had four daughters” riddle.
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BRAIN TEASER
Brain Teaser #30
If you have a 7-minute hourglass and an 11-minute hourglass, how can you boil an egg in exactly 15 minutes?
💡 The Solution
To boil the egg in exactly 15 minutes, follow these four steps.
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BRAIN TEASER
Brain Teaser #31
How far can a squirrel run into the woods?
💡 The Solution
Halfway. After that, he’s running back out of the woods.
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BRAIN TEASER
Brain Teaser #32
There is a word in the English language in which the first two letters signify a male, the first three letters signify a female, the first four signify a great man, and the whole word, a great woman. What is the word?
💡 The Solution
Heroine.
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BRAIN TEASER
Brain Teaser #33
Guess the next three letters in the series GTNTL.
💡 The Solution
I, T, S. The complete sequence is the first letter of every word in the sentence.
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BRAIN TEASER
Brain Teaser #34
What is next in this sequence of numbers: 1, 11, 21, 1211, 111221, 312211, ______?
💡 The Solution
13112221. Each sequence of numbers is a verbal representation of the sequence before it. Thus, starting with 1, the next sequence would be “one one,” or “11.” That sequence is followed by “two one,” or “21,” and so on.
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BRAIN TEASER
Brain Teaser #35
You are in a place called Wally’s World and there is only one law. There is a mirror, but no reflection. There is pizza with cheese, but not sausage. There is pepper, but no salt. There is a door, yet no entrance or exit. What is the law?
💡 The Solution
Each word in Wally’s World must contain double letters.
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BRAIN TEASER
Brain Teaser #36
Four people arrive at a river with a narrow bridge that can hold only two people at a time….
💡 The Solution
Yes, they can cross in exactly 15 minutes. The group of four must follow these three steps in this math puzzle.
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BRAIN TEASER
Brain Teaser #37
During which month do people sleep the least?
💡 The Solution
February. (There are usually fewer nights in February.)
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BRAIN TEASER
Brain Teaser #38
In my hand, I have two coins that are newly minted. Together, they total 30 cents. One isn’t a nickel. What are the coins?
💡 The Solution
A quarter and a nickel.
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BRAIN TEASER
Brain Teaser #39
Find a number less than 100 that is increased by one-fifth of its value when its digits are reversed.
💡 The Solution
45. (1/5 of 45 = 9, and 9 + 45 = 54)
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BRAIN TEASER
Brain Teaser #40
Which three letters can frighten a thief away?
💡 The Solution
ICU.
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BRAIN TEASER
Brain Teaser #41
Four cars come to a four-way stop, all coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. They do not crash into each other, but all four cars go. How is this possible?
💡 The Solution
They all made right-hand turns.
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BRAIN TEASER
Brain Teaser #42
Is the capital of Kentucky pronounced Louisville or Luee-ville?
💡 The Solution
Neither. The capital is Frankfort.
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BRAIN TEASER
Brain Teaser #43
You’re in a dark room with a candle, a wood stove and a gas lamp. You have only one match. What do you light first?
💡 The Solution
The match.
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BRAIN TEASER
Brain Teaser #44
Put a coin into an empty bottle, and insert a cork into the neck. How can you remove the coin without removing the cork or breaking the bottle?
💡 The Solution
Push the cork down into the bottle. Then shake the coin out.
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BRAIN TEASER
Brain Teaser #45
What letter comes next in the following sequence? D R M F S L T_
💡 The Solution
D. Each letter represents one note in the diatonic musical scale: Do, Re, Mi, Fa, Sol, La, Ti, Do.
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BRAIN TEASER
Brain Teaser #46
I have a large money box, 10 inches wide and 5 inches tall. Roughly how many coins can I place in my money box until it is no longer empty?
💡 The Solution
Just one, after which it will no longer be empty.
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BRAIN TEASER
Brain Teaser #47
What do an island and the letter t have in common?
💡 The Solution
They are both in the middle of water.
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BRAIN TEASER
Brain Teaser #48
What is unusual about the following words: revive, banana, grammar, voodoo, assess, potato, dresser, uneven?
💡 The Solution
To solve this word puzzle, take the first letter of each word and place it at the end. It will spell the same word backward.
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BRAIN TEASER
Brain Teaser #49
How can a man who shaves several times a day still sport a long beard?
💡 The Solution
He’s a barber.
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BRAIN TEASER
Brain Teaser #50
What fastens two people yet touches only one?
💡 The Solution
A wedding ring.
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BRAIN TEASER
Brain Teaser #51
Which creature walks on four legs in the morning, two legs in the afternoon and three legs in the evening?
💡 The Solution
Man. It’s one of the most famous riddles in history: He crawls on all fours as a baby, walks on two feet as an adult and walks with a cane as an old man.
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BRAIN TEASER
Brain Teaser #52
What rocks but does not roll?
💡 The Solution
A rocking chair.
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BRAIN TEASER
Brain Teaser #53
An elevator is on the ground floor. There are five people in the elevator including me….
💡 The Solution
I got off on the first floor.
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BRAIN TEASER
Brain Teaser #54
Which word logically comes next in this sequence? Spots, tops, pots, opts …
💡 The Solution
Stop. All the words are anagrams of one another.
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BRAIN TEASER
Brain Teaser #55
Which tire doesn’t move when a car turns right?
💡 The Solution
A spare tire.
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BRAIN TEASER
Brain Teaser #56
What four-letter word can be written forward, backward or upside down but still be read from left to right?
💡 The Solution
Noon.
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BRAIN TEASER
Brain Teaser #57
Mr. Jenkins is trying to find a butler he can really trust….
💡 The Solution
James and Paul are the two liars.
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BRAIN TEASER
Brain Teaser #58
It’s not easy to figure out who’s who when the Brewer family gets together….
💡 The Solution
Manny is Angela’s brother-in-law.
How to Play Brain Teaser Games
Playing brain teaser games is easy and fun. First you need to read the question carefully. Each brain teaser looks easy at first. You need to think about it before you answer. Try to understand what the question is really asking you. Then you can choose an answer. Think of one using logic or a different way of thinking. Some puzzles have hints to help you learn. The brain teasers you solve the better you will get at thinking and solving puzzles.
Benefits of Brain Teasers
Brain teasers are fun. They are good for your brain. They help you think in ways and solve problems. If you solve brain teasers every day you will be able to focus and think more clearly. Brain teasers are a way to challenge your brain and have fun at the same time.
Key Benefits :
Improves your thinking and problem-solving skills
Makes you more creative and a smarter thinker
Help you. Pay attention
Encourages you to think in ways
Makes learning fun and interesting
Brain teasers are good for people of all ages
Frequently Asked Questions [FAQ’s]
A brain teaser is a short puzzle that challenges logic, memory, creativity, or common sense.
Yes, they help you slow down, think carefully, and avoid quick assumptions.
Popular types include riddles, number puzzles, logic questions, visual puzzles, and trick questions.
Yes, beginners should start with easy brain teasers and slowly try harder ones.
A few short brain teasers each day can be a fun way to keep your mind active.
