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Polygraph MCQ App Download - Inventions PDF e-Book

Inventions Online Tests

Polygraph MCQ (Multiple Choice Questions) PDF Download

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The Polygraph Multiple Choice Questions (MCQ Quiz) with Answers PDF (Polygraph MCQ PDF e-Book) download to study Inventions Tests. Learn Inventions and Inventors Multiple Choice Questions and Answers (MCQs), Polygraph quiz answers PDF for online elementary school classes. The Polygraph MCQ App Download: Free Inventions App to study modern neuroscience, foot bag, post-it-note, a.c test prep for virtual online school.

The MCQ: In which one of the following year, Polygraph was patented "Polygraph" App Download [Free] with answers: 1965, 1972, 1918, and 1921 for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Google e-Book (Free Sample) for school certificate.

Polygraph Questions and Answers PDF Download

MCQ: 1

In which one of the following year, Polygraph was patented?

  1. 1965
  2. 1972
  3. 1918
  4. 1921
MCQ: 2

Polygraph was discovered by

  1. Sir Frances Gabe
  2. Sir George Beers
  3. Sir John Larson
  4. Sir Louis Pasteur

Inventions Practice Tests

Polygraph Study App: Free Download iOS & Android

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