App to locate board exam centre for students launched by ?
Answer: A
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What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869?
Answer: D
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Cinematography was invented by
Answer: B
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When was the Raggedy Ann doll patented?
Answer: A
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Galileo was an Italian astronomer who
Answer: D
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Which famous inventor ranks second in the number of patents registered?
Answer: A
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Gun powder was invented in 9th century in
Answer: B
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The steam engine was invented by
Answer: A
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The electro-cardiograph was invented by
Answer: A
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What invention was first installed at a Hartford, Connecticut bank in 1889?
Answer: D
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