Fun Brain Teasers to Challenge Your Knowledge

Brain teasers are a great way to exercise your mind while also building on your knowledge.

They test your ability to reason and see past hidden details, which can help you get to the bottom of tough problems. Fun big brain questions are a challenge even an adult can get a kick out of. 

We’ve listed tons of teasers that you can try answering yourself or with your friends. They’re bound to take you on an emotional journey from frustration, confusion, the that happy “AHA!” moment.

Put your thinking cap on, and let’s get right into it!

What are Brain Teasers?

Brain teasers are more than simple puzzle games and riddles. A brain teaser is a kind of puzzle or brain game that involves lateral thinking. In order to solve this problem, you will need creative, less straightforward thought processes. The solution to these questions won’t be right in front of you.

Some of the many benefits of answering brains teasers are:

  • Strengthens your memory 
  • Puts you in a good mood 
  • Promotes deep concentration 
  • Improve problem-solving skills 
  • Lowers your stress levels 
  • Can increase your IQ 
  • Develops attention to detail 
Photo by Milad Fakurian on Unsplash

Big Brain Questions

Brain Teasers for Kids

Get your kids thinking with some fun brain teasers. These can help improve their critical thinking skills at a young age.

  • You see three houses. One is blue, one is white, and the other is red. The red house is to the left of the middle house, and the blue house is to the right. Where is the White House?
  • You are inside a cabin that’s pitch black. You only have one match. What would you light first, the lamp, the newspaper, the fire, or the candle?
  • Who is the biggest of them all: Mrs. Bigger, Mr. Bigger, or their baby?
  • Mike works as a butcher. He is 5’8″ tall. What does he weigh?
  • A farmer owns 17 sheep. All but nine die. How many do they have left?
  • How far can a rabbit reach when it runs into the woods?
  • There are 12 months in a year. Seven months contain 31 days. How many months in the year have 28 days?
  • What are the next three letters in this sequence of letters: J, F, M, A, M, J, J, A, __, __, __
  • Steven’s mother had four children. She named the first child Monday. She named the second child Tuesday and the third child Wednesday. What did she name the fourth child?
  • What was the highest mountain before Mt. Everest was discovered?

Long Teasers for Adults

Are you up for something more challenging? These teasers will keep you busy brainstorming. It’s certain to give your brain an all-out workout! 

  • A doctor and a businessman are both in love with Sarah. The businessman had to go on a trip that would last an entire week. Before he left for the trip, he gave Sarah seven apples. Why?
  • I left the campsite and hiked towards the south for 3 miles. I then hiked for 3 miles due east. After that, I turned north and hiked another 3 miles. This time I encountered a bear inside my tent eating my food! What was the color of the bear?
  • A woman shoots her husband. She holds him underwater for 6 minutes. And finally, she hangs him. But 3 minutes later, they both went out together and enjoyed a wonderful dinner. How?
  • They take me from the mine and put me inside a wooden case. I am never released, but almost everybody uses me.
  • A man stands on the side of a river. On the other side is his dog. He calls his dog, and it crosses the river without getting wet, with no bridge or boat. How did the dog do it?
  • You can’t buy me but can steal me with a glance. I can be worthless to one person but priceless to two.
  • I am everything if you turn me on my side. But if you cut me in half, I become nothing.
  • It doesn’t matter how seldom or how often you use me; you still change me every month.
  •  A red house is built using red bricks, a blue house using blue bricks, and a yellow house using yellow bricks. What is a greenhouse built with? 
  • What is special about the words: polish, herb, and job? 

Tricky Big Brain Questions

Can you get these tricky questions right? Give it your best shot!

  • What can let you travel around the world while staying in one corner?
  • How can you throw a ball forcefully and have it return to you, even if it didn’t bounce off anything? The ball has no attachments, and no one catches or throws it back to you.
  • What occurs every minute, twice every moment, but never happens in a thousand years?
  • What can fly without wings?
  • Where can you find roads with no vehicles, forests with no trees, and cities without houses?
  • What are two things you cannot eat during supper?
  • What word looks the same backward and upside down?
  • If you add two letters to this five-letter word, it becomes shorter.
  • A boy was rushed to the hospital. The Emergency Room doctor saw him and said, “I can’t operate on this boy. This is my son.” The doctor, however, was not the boy’s father. How could it be?
  • What is full of holes but can still hold water?


Brain Teasers for Kids

  • In Washington, D.C.!
  • You light the match first!
  • The baby is the biggest because he is a little bigger.
  • Meat
  • Nine
  • Halfway. After that, he runs out of the woods.
  • They all do.
  • S, O, N is the answer. This is because the sequence is made up of the first letters of the months of a year. September, October, and November are the next in the sequence.
  • Jimmy, because Jimmy’s mother had four children!
  • Mt. Everest. was still the tallest or highest mountain in the world. It just had not been discovered yet!

Long Teasers for Adults

  • An apple a day will keep the doctor away!
  • White is the answer. This is because the only place you can do that is at the North Pole. And the only bears living there are polar bears.
  • The wife was a photographer. She shot a photo of her husband, developed it by dipping it in water, and hung it up in her studio to dry.
  • Pencil lead
  • The river was frozen.
  • Love
  • The number 8
  • A calendar
  • Glass
  • These words are pronounced differently when the first letter is capitalized.

Tricky Big Brain Questions

  • A stamp.
  • Throw the ball up in the air.
  • The letter “M.”
  • Time.
  • A map.
  • Breakfast and Lunch.
  • SWIMS.
  • The word is short.
  • The doctor was his mom.
  • A sponge.

Wrapping Up

How many did you get right? Answering big brain questions is some of the best ways to stay mentally fit and engage in learning in a fun way. It can help broaden your knowledge base, test your problem-solving skills, keep you challenged, and hone your mental sharpness.

Abir is a data analyst and researcher. Among her interests are artificial intelligence, machine learning, and natural language processing. As a humanitarian and educator, she actively supports women in tech and promotes diversity.

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