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This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?
120
Gasoline powered automobile was invented by?
Correct!
Wrong!
What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?
Correct!
Wrong!
Who is often called the 'first African-American' inventor?
Correct!
Wrong!
In which decade was the transistor invented?
Correct!
Wrong!
Who among the following invented the Steel Converter?
Correct!
Wrong!
Who invented Bifocal Lens?
Correct!
Wrong!
Who invented Electric Generator?
Correct!
Wrong!
In which decade was the telegraph invented?
Correct!
Wrong!
General Knowledge quiz 63
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