Scroll down for the answer to the facebook riddle/puzzle
Quiz on Mathematics.
Question 1 of 10
What is the opposite of subtraction?
Question 2 of 10
How many years in three decades?
Question 3 of 10
What is 36 times two, add 10?
Question 4 of 10
How many days are in October?
Question 5 of 10
How many sides on four triangles?
Question 6 of 10
What is a third of 93, add 12?
Question 7 of 10
What is 11 squared?
Question 8 of 10
How many sides does a nonagon have?
Question 9 of 10
What is a sixth of 6300?
Question 10 of 10
Acht is which number in German?
Answer riddle/puzzle:
Answer is 449History Quizzes
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10 Questions about History
Do you like History Quizzes?
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Quiz on History
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What videogame did you play in the 80s?
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History Quiz
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70s Nostalgia Quiz
Do you remember?
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1980s Nostalgia Quiz
Try scoring a 7 or higher
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10 Questions about History
Did you know enough for a 10/10?
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10 History Questions
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10 History Questions
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Geography Quizzes
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Play This Geography Quiz Now!
It's going to be impossible to score a 6+
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10 Question About Planet Earth
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HARD Science Quiz
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Geography Quiz
Thumbs up when you score a 10/10
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Geography Quiz
Think you can find your way?
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Geography Quiz
Did you find your way to the last question?
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Geography Quiz
You're invited!
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Music Quizzes
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10 difficult questions about John Denver
Let us know your score in the comments
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Have you ever heard of any of these bands?
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Science Quizzes
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Quiz on Science.
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Quiz on Science
Did you complete the mission?
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Science Quiz with challenging questions
Who is able to score higher than an impossible 8?
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Who Sang Quizzes
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Who sang these songs?
Are you older than 40? Then your chance is very slim you will score a 6 or better
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Who sang these songs?
10 Questions
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Can you recognize the vocalists of these songs?
Do you love to listen to music?
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Which artist performed these songs?
Can you answer more than 4 questions correctly?
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Who Sang These Songs?
Can you match the artist?
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Who were the singers of these songs?
Did you have all 10 songs correctly?
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Who Sang These 90s Songs?
Feels like yesterday isn't it?
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Who Sang These Songs?
Do you have a favorite songs between these 10 songs?
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Who Sang These Country Songs?
Question 10 is by far the hardest
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Food & Beverage Quizzes
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Food Quiz
What is your favorite Guilty Pleasure?
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Quiz on Food and Beverage
What's your favorite pizza?
Average Score: 994% knows the answer to this question: " "
General Knowledge Quizzes
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Impossible Knowledge Quiz
Dare to share your score?
Average Score: 562% knows the answer to this question: " " -
10 Challenging Questions
We are very sorry for these hard questions
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10 Mixed Questions
Let us know your 10/10 below
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Challenging Knowledge Quiz
Who is able to ace every question?
Average Score: 563% knows the answer to this question: " " -
General Knowledge Quiz
Will you be able to score a 7+?
Average Score: 529% knows the answer to this question: " " -
10 Mixed Knowledge Questions
What was the hardest question?
Average Score: 491% knows the answer to this question: " " -
10 Mixed Trivia Questions
Will you be able to make it to question 10?
Average Score: 673% knows the answer to this question: " " -
University Starter Quiz
Think You’re Ready for College? Test Your Knowledge and Find Out!
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Do you have the intelligence to defeat him?
General Knowledge Quiz
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Literature Quizzes
Movie Quizzes
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Movie Quiz
Have no fear the answer is here
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Rewind to the 70s: Movie Quiz
Which of these have you seen in the cinema?
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Lights, Camera, Quotes!
Who can get a perfect 10? Share if you did!
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Movie Quiz
We bet you will tap out!
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Movies & Series Quiz
Which TV series have you watched more than once?
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Math Quizzes
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Math Quiz
We hope you'll score higher than a 3+4
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Math Examination
Try scoring a 7+
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10 Math Questions
For you to solve
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Try this Proverbs quiz and see if you can find the missing word!
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Who sang these songs from the 20s?
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Who sang these songs from the 20s?