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General Knowledge on Inventions | GK Test on Inventions Page 27
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Inventions

General Knowledge on Inventions

(Click on suggested Options to select the answer | Color Red means : Wrong & Green Means: Correct)

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261. FROZEN FOOD - Who discovered the first practical method of freezing food?
262. Who came up with the idea for INSTANT MASHED POTATO?
263. What plaything was invented by Joe McVicker in 1956?
264. Who invented Airship (rigid)?
265. It travels over land and water. Who invented the HOVERCRAFT?
266. What J. B. Dunlop invented?
267. What device for new parents did Ann Moore invent in 1969?
268. Where were wigs first invented?
269. In which decade was the AEEE (now the IEEE) founded?
270. Who invented Jet Engine?

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