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 invented Bifocal Lens?

Correct! Wrong!

Gasoline powered automobile was invented by?

Correct! Wrong!

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

Correct! Wrong!

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

Correct! Wrong!

In which decade was the telegraph invented?

Correct! Wrong!

Who invented Electric Generator?

Correct! Wrong!

In which decade was the transistor invented?

Correct! Wrong!

Who among the following invented the Steel Converter?

Correct! Wrong!

General Knowledge quiz 63
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