Forget about calculators. For this quiz, you need to use your old noggin, the original calculator. This quiz will take you from insane additions to weird divisions, and while it may take some thinking, you can probably find the solution if you give it a little thought. We're rooting for ya!
Math Challenge: 15 Fun Questions to Solve in 20 Minutes
15 questions in 20 minutes - Go!
Math Quiz: Can You Solve 14 Problems in 20 Minutes?
This quiz starts easy but gets harder. You have 20 minutes to solve 14 math problems.
Which Famous Saying Should Be YOUR Motto?
Your choices, when you finish the quiz, will indicate what English proverb matches your life outlook the best.
Test Your Basic Chemistry With This QUIZ!
Are you ready to challenge yourself in the field of basic chemistry? Let's see how you do with our basic chemistry quiz.
QUIZ: Discover the 4 Hidden Properties of Your Personality
This psychological quiz asks you to associate word with each other in order to understand how your brain works.
QUIZ: What Do Colors Say About Your Attitude?
Today you're going to discover your attitude to life and a few more fascinating details. Answer the following questions and witness the truth in colors...
Have a Go at Solving These Tricky Murder Riddles
Halloween is just around the corner, so to get you in the mood, we've given you 11 murder riddles to solve. Do you think you have what it takes? Find out now.
Challenge: Can You Crack These 10 Riddles?
Can you crack these 10 challenging riddles?
Quick Test: Choose an Eye and Discover More About Yourself
The eyes are a window to the soul - choose yours and see what it says about you.
Riddle Me This: Test Your Logic by Solving Riddles!
These tricky riddles are not only fun but also will test your brain - give them a go, and see if you can solve them all!
These Illusions Will Have You Fooled... Discover Why!
Discover what's really behind these fascinating illusions.
PUZZLE: Can You Find all the Hidden Words in the Picture?
Picture puzzle with six hidden words
Can You Solve These 16 Perplexing Riddles?
There's no better brain workout that trying your hand at a few riddles.
Only a Few People Can See What's Hiding in This Image
What hides behind this red circle? Only a few can tell...
Test Your Mental Sharpness With These Brainteasers
See if you can figure out all of these brainteasers without peeking at the answers.
Give Your Brain a Good Workout 10 Tricky Riddles!
These 10 challenging riddles will give your brain the exercise that it requires.
Can You Crack Our Riddles? Give it a Try!
Give your brain a work out with these difficult riddles. Our tip - Think outside the box!
Challenge: Can You Spot the Hiding Animal?
Sometimes, when we're not all that attentive, we can easily miss the wonderful things hidden in nature. Find out if you can spot the animals in the pictures.
Are You One of the 3% Who Can Really See This Image?
Can you see this image? Are you one of the lucky few?
Can You Solve These 10 Tricky Riddles? Give It a Go!
If you love to test yourself with challenging riddles, then give these 10 a go!
This Riddle Proved Too Hard For Me, Can YOU Solve It?
Are you clever enough for this riddle?
Spot the Differences & Test Your Observational Skills!
Only the most observant of people can find all the differences between these images. Are you one of that select band of clever clogs?
Challenge: Can You Find the 6 Hidden Words in this Drawing?
Hidden in the image are six words that have been concealed. Only about 33% of adults will be able to find them all, making it one tough puzzle to complete.
Can You Correctly See What's Hidden in These Images?
Can you see what's really hidden in these images? Click on each one to find the answer.
Can You Solve These 8 "Mind Blowing" Riddles?
These riddles will show you that brain-teasing isn't just for kids. Do you have what it takes to solve these 8? Give them a go to find out!
Can You Solve These Fun Brainteasers?
Brainteasers are a great way to dust off your critical thinking skills. Here are 10 logic brainteasers that will either stump or stun you!
Put Your Thinking Cap on and Try to Solve These Riddles
These 12 fun riddles will show just how sharp your mind is.
Let's Play a Game: Spot the Doubled Animal!
Are you ready for a quick game of wits? Let's see how fast you can locate the animals that appear twice in this game!
You Don't Genius to Solve This, But it Surely Helps!
This isn't just another easy test - can you crack it?
Brain Buster Challenge: Solve These Riddles!
These tricky riddles are a great way to get your mind thinking. Do you have what it to solve them?
Can You Solve These 9 Challenging Riddles? Give it a Go!
If you love yourself some challenging riddles, you should definitely give these 9 a try.
Challenge! Can You Solve These 7 Tricky Riddles?
These riddles will challenge your mental sharpness and will definitely keep you on your toes.
Are You Part of the 5% Who Can Solve These Logic Puzzles?
These puzzles will tease your brain like never before. If you manage to solve them, you'll be in an elite group - only 5% of people are capable of doing so.
Can You Guess These Ancient Riddles?
Can you solve these riddles thousands of years old?
10 Challenging Riddles to Test Your Thinking Skills
These brain-teasing riddles will definitely test your lateral thinking skills. So, get those cogs working and try to answer all 10!
These Riddles Have Simple Answers, But Can You Find Them?
These riddles all have very simple answers, but may not be as easy to solve as they appear.
These 8 Fun Riddles Will Test You to the Max!
Do you think you're a riddle brainbox? If so, give these 8 tricky riddles a try!
Is Your Mind as Sharp as a Knife? Try These Brain Teasers!
These addictive brain teasers will really get the cogs in your head turning!
Challenge: Are You Clever Enough For This Riddle?
A simple riddle that will drive you crazy!
How Many of These Clever Riddles Can You Answer?
How many of these riddles can you guess?
Challenge: Can You Solve the 4 Square Riddle?
To solve this riddle, you must forget what you think you know...
10 Fun Visual Brain Teasers You Will Want To Share
Brains need exercise just as much as muscles do. Challenge yourself with these 10 fun observation tests.
Challenge: Think You Can Crack These 10 Riddles?
These challenging riddles ask one simple question: Are you a riddler?
Challenge: Think You Can You Crack These 5 Math Riddles?
Test your math knowledge with these 5 fun math riddles.
Can You Count All the Tigers Hiding in This Photo?
It might look like there are but 4 tigers in this image, but there are a lot more. How many can you find? Click on the image to see how many there are.
Only 2% of People Can Solve This Riddle! Can You?
According to the great Albert Einstein, only 2% of the world's population can solve this riddle by themselves. Are you one of them?
12 Mysterious Riddles That'll Boost Your Mental Capacity
These 12 great riddles will definitely get your brain cells flexing and strutting their stuff in no time at all. Come on, give them a go!