This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.


Options: George Washington,    Alexander Hamilton,    John Adams,    Thomas Jefferson

Ans:D,D


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

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