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204 Invention MCQ Questions in english हिन्दी
What did J. B. Dunlop invent?
Who was the first to discover the radioactive element radium?
When was barb wire first patented?
What is the name of the CalTech seismologist who developed the scale used to measure earthquake magnitude?
What did Galileo invent?
This statesman, politician, scholar, inventor, and early president of the United States invented the swivel chair, spherical sundial, moldboard plough, and cypher wheel.
What did James Watt invent?
What is the location of the village of Branston, after which the famous pickle is named?
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