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Adding machine Multiple Choice Questions (MCQ) PDF Download
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The MCQ: In which one of the following year, adding machine was patented; "Adding machine" App Download (Free) with answers 1642, 1657, 1643 and 1645 for distance learning. Solve inventions and inventors quiz questions, download Google eBook (Free Sample) for online certifications.
Adding machine MCQs: Questions and Answers PDF Download
MCQ 1: In which one of the following year, adding machine was patented?
- 1642
- 1657
- 1643
- 1645
MCQ 2: Adding machine was invented by
- Sir Wilhelm Schickard
- Sir Blaise Pascal
- Sir Christian Huygens
- Sir Francis Bacon
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