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Traffic light with three colours App Download | Inventions MCQ PDF e-Book

Inventions Practice Test: MCQs for Exam Prep

Traffic light with three colours MCQ (Multiple Choice Questions) PDF Download

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The MCQ: Which one of the following invents the traffic lights with three colors; "Traffic light with three colours MCQ" App Download [Free] with answers: sir william potts, dr dennis colonello, dr larry wang, and sir norman rolston for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Apple Book (Free Sample) for school certificate.

Traffic light with three colours Questions and Answers PDF Download

MCQ: 1

Which one of the following invents the traffic lights with three colors?

  1. Sir William Potts
  2. Dr Dennis Colonello
  3. Dr Larry wang
  4. Sir Norman Rolston

Traffic light with three colours Practice Tests: Inventions App & eBook MCQs

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Traffic light with three colours MCQ App (Android & iOS)

Traffic light with three colours MCQ App

Traffic light with three colours MCQ App (iOS & Android)

Inventions MCQ App

Basic Anthropology MCQs App (iOS & Android)

Basic Anthropology MCQs App

ICT MCQs App (Android & iOS)

ICT MCQs App