Inventions Study App | Ball Point Quiz e-Book PDF
Inventions MCQs (Grade 8) From Textbook

Inventions MCQs – Certification Test 144

Ball Point Quiz (Question 144) – Study App & e-Book Download

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MCQ 144: Which one of the following is an inventor of Ballpoint?

  1. Sir Laszlo Biro
  2. Sir John J. Loud
  3. Sir Michael Faraday
  4. both a and b

Inventions Quiz App & e-Book – Ball Point Admission Tests

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Basic Computer Knowledge Quiz App

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Textile Technology Quiz App