Who invented Gramophone?


Options: Michael Faraday,    Fahrenheit,    Sir Alexander Graham Bell,    Thomas Alva Edison

Ans:D,D


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Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

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Ali Sher, an Arjuna Award winner, is associated with
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The ratio of the weight of water vapour to the total weight of air (including the water vapor) is called
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Small amounts of iodine are necessary in our diet to
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The National Song of India was composed by
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The ministry of Water Resources lays down policies and programmes for the development and regulation of the country's water resources. It covers
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William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________?
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