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Extremely hard mixed knowledge quiz, how many did you answer correctly?
Question 1
Spintronics is a kind of electronics based on the way something spins. What?
Question 2
756+508+260 equals what number?
Question 3
A shop sold 65 loaves of bread on Monday. On Tuesday, sales were up 40%. How many did they sell?
Question 4
Which invention allowed people to watch movies in their homes in 1971?
Question 5
(10-6)-(17-12)
Question 6
A girl cycled 27km before lunch and 2km after lunch. What was the total distance travelled?
Question 7
410x9+43 equals what number?
Question 8
312x304รท304 equals what number?
Question 9
What is 200 of 600 expressed as a percentage?
Question 10
Which instrument was invented in 1709?
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