General Knowledge Guess the inventor
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Guess the name of the inventor of Ballpoint pen. Write your answers in the comment section!

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Lisero Sang 4 year ago

Ans. A

Ciisiini 4 year ago

Biro brothers

Kekusap 4 year ago

Biro Brothers

Yangtsaliba Langthor 4 year ago

Ans= (A)

Syed Samdani Telangana Best Teacher 4 year ago

Biro brothers

Renuka Kumari 4 year ago

Biro Brothers

Priti Waghela 4 year ago

A. Biro Brothers

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