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This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
The brake used in modern elevators was invented by?
Correct!
Wrong!
Electric streetcar was invented by?
Correct!
Wrong!
Who is often called the 'first African-American' inventor?
Correct!
Wrong!
Who is the only U.S. President to invent and patent something?
Correct!
Wrong!
What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?
Correct!
Wrong!
Who among the following invented the small pox vaccine?
Correct!
Wrong!
What charge card, developed in 1950, was the first to be accepted nationally in the US?
Correct!
Wrong!
Which insurance salesman invented the fountain pen in 1884?
Correct!
Wrong!
General Knowledge Quiz 64
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