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Inventions

Inventions
In which year was MIDI introduced?

1977
1973
1983
1987

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Inventions
When was the first lawn mower invented?

1854
1830
1849
1835

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Inventions
When were blue jeans invented?

1860s
1870s
1900s
1850s

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Inventions
The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?

Robert Oppenheimer
Vannevar Bush
Leslie R. Groves
James B. Conant

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Inventions
What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869?

Vacuum cleaner
Blender
Washing machine
Electric mixer

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Inventions
Who invented the BALLPOINT PEN?

Bicc Brothers
Waterman Brothers
Write Brothers
Biro Brothers

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MORE MCQ ON Inventions

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