17 Fun Brain Teasers to Test Your Genius

Can you find the soccer ball in the sea of pandas?

17 Fun Brain Teasers to Test Your Genius
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Even though brain teasers are a commonly used tool in both school and office settings, that doesn’t mean that they can’t be just as entertaining as they are educational. Just look at the number of people who do the Sunday crossword or play sudoku in their spare time, and you’ll see that these mind games are actually quite the preferred pastime!

Whether you’re new to puzzles or have already binge-watched every episode of Brain Games, here are some fun brain teasers that will put your genius to the test (including a few from puzzle expert Marcel Danesi’s The 125 Best Brain Teasers of All Time!) And for more ways to keep your mind in its best shape, check out the 13 Tips for a Sharper Brain.

math puzzle Image via GPuzzles

Question: Replace the question mark with the correct number.

At first glance, it feels like these numbers have nothing in common, but there is a pattern.

Procrastination

Answer: The correct number is “8.”

All of the numbers in each row and column must add up to 15.

Question: How many triangles are in the above image?

You need to look beyond the obvious triangles for this one.

Astonishing Facts

Answer: There are 44 triangles.

Each small triangle combines with the triangles next to it to make two more triangles, and so on.

 

brain teaser Image via Gergely Dudas/Dudolf

Question: Can you find the soccer ball among the pandas?

They’re both black and white, so good luck.

brain teaser solution Image via Gergely Dudas/Dudolf

Answer: If you look closely, it’s hiding on the right edge toward the middle of the picture!

And for more fun visual brain teasers, see if you can Spot the Adorable Corgi Hiding in These Photos!

(Taken from Gergely Dudas)

flower brain teaser Image via BRiddles

Question: Solve the final equation.

Imagine the flowers are x, y, and z, and then solve this problem like any other math equation.

a hand writing out 6th grade math equations on a chalkboard

Answer: The final equation equals 25.

Let’s break it down by equation.

  • In the first equation, there are three red flowers and a total of 60. So, we have to divide 60 by 3, which means that a single red flower equals 20. (20 + 20 + 20 = 60)
  • In the second equation, there are two blue flowers and one red flower. First, we’ll have to subtract the red flower (20) from the total (30), which leaves us with 10 remaining. Since we know that blue flowers are worth the same amount, that means we have to divide the remaining 10 by 2, which means blue flowers are worth five. (20 + 5 + 5 = 30)
  • In the third equation, there are two yellow flowers and one blue flower, and a final total of 3. Since we know that blue flowers are worth 5, that yellow flowers are worth the same amount, and that it’s a subtraction problem, it’s easy to deduce that yellow flowers are worth 1 each. (5 – 1 – 1 = 3)
  • In the fourth equation, for the first time, we don’t have a total. So let’s take it step by step. The yellow flower is worth 1, and the red flower is worth 20. The blue flower, however, is worth 4. All along, the blue flower’s worth was based on the petals, not the flower itself. And, if you look closely, the blue flower only has 4 petals. Therefore, after you add the yellow flower, the red flower, and the four petals of the blue flower together, you get 25. (1 + 20 + 4 = 25)

haystacks on a farm

Question: There are six haystacks in one corner, a third as many in another corner, four times as many in a third corner, and eight in the fourth corner. While throwing the hay into a single pile in the center of his field, the farmer accidentally let one of the stacks fall to the floor and scatter everywhere. How many haystacks did the farmer end up with?

Hint: It’s not as many as you think…

Answer: Just one!

He piled all of his hay in the center of the field! And for more fun brain teasers, don’t miss the 50 Amazing Riddles Only Geniuses Can Solve.

Seychelles Islands

Question: I can be quick and then I’m deadly. I am a rock, shell, and bone medley. If I was made into a man, I’d make people dream. I gather in my millions by ocean, sea, and stream. What am I?

You really need to think outside of the box for this brain teaser.

Answer: Sand.

Think about it: Sand can be quick and deadly (quicksand), it is a rock, shell, and bone medley, and if it were a man, it would be the Sandman!

sad man sitting at the bar

Question: A poor man walks into a bar and starts chatting with a much wealthier man…

…The poor man says to the rich man, “You know, I know every song in the world. I bet you all your fortune and worldly possessions that I can find a song with any name you want.” The rich man, laughing, accepts the poor man’s bet, and bets him to find a song with his daughter’s complete name in it. Her full name is Julie Monique Alexandria. A few minutes later, the poor man leaves the bar with the rich man’s wallet, car keys, and clothes in tow. How did he win the bet?

The only hint we’ll give here is that it’s a real song.

Bad bosses, office birthday

Answer: He sang “Happy Birthday.”

Clever, huh?!

Question: What makes the number “8,549,176,320” unique?

Don’t worry, there’s no math involved in this question.

simple math equation

Answer: It contains every number from zero through nine in alphabetical order.

And if you want to test your math skills, then check out the 30 Questions You’d Need to Ace to Pass 6th Grade Math.

hanging rack storage hacks

Question: Which word logically comes next in this sequence? Spots, tops, pots, opts…

Look closely at the letters used to spell each word.

Stop Sign Illegal

Answer: Stop.

All the words are anagrams of each other!

(Source: The 125 Best Brain Teasers of All Time)

dog standing by a river

Question: A man stands on one side of a river and his dog stands 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?

No, the dog didn’t possess magical powers.

Dog is outside panting in a field

Answer: The river was frozen.

Since the water was frozen over, Fido was able to walk over the river with no problems!

Girl Moving Into Dorm Room

Question: The letters of the word dormitory can be rearranged to produce a two-word phrase that describes a typical dormitory. What is that phrase?

Think about the words you’d use to describe your child’s dorm room…

Dirty clothes, what to give up in your 40s, over 40

Answer: The two-word phrase is “dirty room.”

And if you want to tidy up your dormitory/dirty room, then try these 20 Genius House-Cleaning Tricks That Will Blow Your Mind.

(Source: The 125 Best Brain Teasers of All Time)

Woman reading and flipping through the dictionary, common word origins

Question: Which word is written incorrectly in a dictionary?

This goes for every dictionary out there!

woman surprised anxious on her phone

Answer: The word incorrectly.

Technically, it will be spelled “incorrectly” no matter what.

pool, billiards, second date ideas

Question: I have seven billiard balls, one of which weighs less than the other six. Otherwise, they all look exactly the same. How can I identify the one that weighs less on a balance scale, using that scale no more than two times?

This is a commonly used question in job interviews.

balance scale

Answer: Separate six of the seven balls into two piles of three and weigh them against each other…

…If the scale balances, then you know that the heavier ball is the seventh remaining ball. If the scale isn’t balanced, then take the heavier side and weigh any two of those three balls against one another. Either the scale will reveal that one of those two balls is the heavier one, or it will balance and reveal that the remaining ball is your culprit

(Source: The 125 Best Brain Teasers of All Time)

40 compliments

Question: Johnny’s mother had three children. The first child was named April. The second child was named May. What was the third child’s name?

Read this question carefully…

dad son and grandfather reading book

Answer: Johnny.

Your first instinct might be to follow the pattern and guess June, but if you look at the beginning of the question, the third child’s name is right there!

red and white dice

Question: What is the probability of obtaining either a 6 or 7 when throwing a pair of dice?

This kind of knowledge could come in handy in Vegas.

dice brain teaser Image via The 125 Best Brain Teasers of All Time

Answer: 11/36.

To solve this, we start by first listing the number of ways to throw either a 6 or a 7.

There are 36 possible throws of two dice, because each of the six faces of the first die is matched with any of the six faces of the second one. Of these 36 possible throws, 11 produce either a 6 or a 7. Therefore, the probability of throwing either a 6 or a 7 is 11/36.

(Taken from The 125 Best Brain Teasers of All Time)

commonly misspelled words

Question: How can 8 + 8 = 4?

Again, this is less about your math skills and more about your ability to get creative.

person overthinking, stressed

Answer: If you think of the numbers in terms of time, 8 A.M. + 8 hours = 4 P.M.

In the case of brain games, it helps to think outside the box.

man ready for winter

Question: How do you get from the word cold to the word warm in four steps, changing only one letter at a time but still creating real words?

The words cold and warm share no letters in common, but there is a way…

an optimistic woman in a field on a sunny day

Answer: Cold becomes cord, cord becomes word, word becomes worm, and worm becomes warm.

And for more ways to test your brainpower, check out the 30 Questions You’d Need to Ace to Pass 6th Grade English.

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