Inventions Practice Test 49
Calculators Quiz Questions and Answers PDF - 49
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The Calculators Quiz Questions and Answers PDF (Calculators Quiz with Answers PDF e-Book) download Test 49 to learn inventions online courses. Practice Inventions and Inventors trivia questions, Calculators Multiple Choice Questions (MCQ) for online college degrees. The Calculators Quiz App Download: Free learning app for lawn sprinkler, analytical plotter, electric wheelchair, piano, calculators test prep for taking online classes.
The Quiz: First mechanical calculator was invented by; "Calculators" App Download (Free) with answers: Sir Blaise Pascal; Sir Robert Noyce; Dr Raymond Lemieux; Sir Thomas Edison; for online school and college. Solve inventions and inventors questions and answers, Amazon eBook to download free sample for free online courses.
Calculators Questions and Answers PDF Download: Quiz 49
The first mechanical calculator was invented by
- Sir Robert Noyce
- Sir Blaise Pascal
- Dr Raymond Lemieux
- Sir Thomas Edison
Invention of piano is credited to
- Sir Thomas L. Wilson
- Sir James Hillier
- Sir Bartolomeo Cristofori
- Sir Adolph Rickenbacker
In which one of the following places an electric wheelchair was invented?
- Spain
- Italy
- Netherlands
- Veterans
The 3 D map-making system was invented by
- Uno Vilho
- Dr Dennis Colonello
- Dr Larry wang
- Sir Norman Rolston
Lawn sprinkler was invented by
- Sir Elijah McCoy
- Sir Joseph Nicephore
- Sir William Shockley
- John Loudon McAdam
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