Inventions Which insurance salesman invented the fountain pen in 1884? Charles Kettering Lewis Edson Waterman Sir William Grove George Fountain Charles Kettering Lewis Edson Waterman Sir William Grove George Fountain ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Sir Alexander Graham Bell Thomas Alva Edison Alfred B. Nobel Benjamin Franklin Sir Alexander Graham Bell Thomas Alva Edison Alfred B. Nobel Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892? Ping Pong Monopoly Ouija board Frisbee Ping Pong Monopoly Ouija board Frisbee ANSWER DOWNLOAD EXAMIANS APP
Inventions Who is the English physicist responsible for the 'Big Bang Theory'? Albert Einstein George Gamow Michael Skube Roger Penrose Albert Einstein George Gamow Michael Skube Roger Penrose ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the toothbrush invented? 1770 1742 1765 1790 1770 1742 1765 1790 ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Model airplanes Automobile wheel rim Rubber boot Pneumatic rubber tire Model airplanes Automobile wheel rim Rubber boot Pneumatic rubber tire ANSWER DOWNLOAD EXAMIANS APP
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