Basic General Knowledge
Sir Humphry Davy was a British chemist who

both (A) and (B)
invented the safety lamp for miners
discovered the anesthetic properties of nitrous oxide
None of these

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Basic General Knowledge
ICAO stands for

Institute of Company of Accounts Organization
None of these
Indian Corporation of Agriculture Organization
International Civil Aviation Organization

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Basic General Knowledge
Fa-Hien was

the discoverer of Puerto Rico and Jamaica
the first Buddhist pilgrim of India to visit China
the first Buddhist pilgrim of China to visit India during the reign of Chandragupta Vikramaditya
None of these

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