Welcome to the General Knowledge Quiz 66

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!

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!

Gasoline powered automobile was invented by?

Correct! Wrong!

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

Correct! Wrong!

Who among the following invented the Steel Converter?

Correct! Wrong!

In which decade was the telegraph invented?

Correct! Wrong!

General Knowledge quiz 63
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