Inventions Practice Tests
Inventions Online Tests
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The MCQ: In which one of the following year, flashlight was patented; "Flash light" App Download (Free) with answers 1877, 1899, 1844 and 1873 for online courses. Solve inventions and inventors quiz questions, download Google eBook (Free Sample) for free online courses.
MCQ 1: In which one of the following year, flashlight was patented?
MCQ 2: The first flashlight was invented by
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