General Knowledge quiz 63

This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?

120
0%

Who among the following invented the Steel Converter?

Correct! Wrong!

Who is often called the 'first African-American' inventor?

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Gasoline powered automobile was invented by?

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In which decade was the telegraph invented?

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In which decade was the transistor invented?

Correct! Wrong!

Who invented Electric Generator?

Correct! Wrong!

What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?

Correct! Wrong!

Who invented Bifocal Lens?

Correct! Wrong!

General Knowledge quiz 63
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