Inventions Practice Test 49
Calculators Quiz Questions and Answers PDF - 49
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The Quiz: First mechanical calculator was invented by; "Calculators" App Download (Free) with answers sir blaise pascal, sir robert noyce, dr raymond lemieux and 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
MCQ 241: The first mechanical calculator was invented by
- Sir Robert Noyce
- Sir Blaise Pascal
- Dr Raymond Lemieux
- Sir Thomas Edison
MCQ 242: Invention of piano is credited to
- Sir Thomas L. Wilson
- Sir James Hillier
- Sir Bartolomeo Cristofori
- Sir Adolph Rickenbacker
MCQ 243: In which one of the following places an electric wheelchair was invented?
- Spain
- Italy
- Netherlands
- Veterans
MCQ 244: The 3 D map-making system was invented by
- Uno Vilho
- Dr Dennis Colonello
- Dr Larry wang
- Sir Norman Rolston
MCQ 245: Lawn sprinkler was invented by
- Sir Elijah McCoy
- Sir Joseph Nicephore
- Sir William Shockley
- John Loudon McAdam
Mock Tests: Inventions Course Prep
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