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Extremely hard mixed knowledge quiz, how many did you answer correctly?
Question 1
A study in 2013 by Harvard University showed that fluoride in water supply affected what?
Question 2
Which American cosmetics brand was famous through the 50s for lipsticks and matching nail polish?
Question 3
Which London building has a famous public ice rink during the winter?
Question 4
If you earn $6 in 6 minutes, how much will you earn in 11 hours?
Question 5
7x4+109 equals what number?
Question 6
Who sang the famous song Chasing Rainbows (1998)?
Question 7
What is 11x11?
Question 8
What U.S. organisation's headquarters is situated in Langley, Virginia?
Question 9
Who sang the famous song Somebody That I Used To Know (2011)?
Question 10
768+516+264 equals what number?
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