Inventions Practice Test 24
Washing Machines Quiz PDF: Questions and Answers - 24
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The MCQ Quiz: Washing machines were discovered in; "Washing Machines" App Download (Android & iOS) Free with answers 1755, 1715, 1780 and 1797 for online study. Study inventions and inventors questions and answers, Apple Book to download free sample for online elementary school.
Washing Machines Questions and Answers PDF Download: Quiz 24
MCQ 116: Washing machines were discovered in
- 1715
- 1755
- 1780
- 1797
MCQ 117: In which one of the following era Spear throwers were invented?
- Mesozoic
- Phanerozoic
- Upper paleolithic period
- Mesolithic
MCQ 118: In which one of the following year, Air-conditioned Railway coach was invented?
- 1889
- 1875
- 1858
- 1863
MCQ 119: In which one of the following year, magnetic resonance imaging was patented?
- 1874
- 1784
- 1972
- 1987
MCQ 120: Electric cooking range was invented by
- Sir Jack Kilby
- Sir Albert Potts
- Sir Thomas Ahearn
- Dr Larry wang
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