Free Inventions Learning App | Traffic light Trivia e-Book PDF
Inventions MCQs (Grade 8) From Textbook

Inventions MCQs – Certification Test 605

Traffic light Trivia (Question 605) – Learning App & e-Book Download

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MCQ 605: The first traffic lights were invented by an African-American inventor named as:

  1. Sind ibn Ali
  2. Ibraim al Fazari
  3. Sir Garrett Morgan
  4. Sir Georgy Langenmark
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Inventions Trivia App & e-Book – Traffic light Study Material

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Traffic light Trivia App Download: iOS & Android Apps

Traffic light Trivia App

General Knowledge Trivia App Download: Android & iOS Apps

General Knowledge Trivia App

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Thermodynamics Trivia App

General Knowledge MCQs e-Book Download

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General Knowledge MCQ e-Book PDF

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8th Class Science Test Questions

8th Class Science Quiz with Answers