Hard Knowledge Quiz
Question 1 of 10
The first electric sewing machine was marketed by whom?
Question 2 of 10
What is half of 44, plus 64?
Question 3 of 10
What number is the legal age for drinking in most of the USA?
Question 4 of 10
What year did the Truman Doctrine establish the U.S. policy?
Question 5 of 10
In a manual transmission car, which pedal is on the left?
Question 6 of 10
Air consists mostly of what?
Question 7 of 10
In which century did the Iran-Iraq War occur?
Question 8 of 10
Who sang the famous song "Living Doll" (1986)
Question 9 of 10
A centrifuge is used to separate which bodily fluid into its component parts?
Question 10 of 10
Brooklyn, The Bronx, Manhattan and Staten Island are four of New York City's five boroughs. What is the name of the fifth?
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