Inventions - Comprehensive Mock Test 3
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Question 21
Easy
Inert gases were discovered by?
Solution Breakdown:
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Question 22
Easy
Cinematography was invented by ?
Solution Breakdown:
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Question 23
Easy
The theory of Evolution was produced by ?
Solution Breakdown:
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Question 24
Easy
Decimal system was introduced by?
Solution Breakdown:
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Question 25
Easy
When was the toothbrush invented?
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Question 26
Easy
When was Milk Tray first introduced?
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Question 27
Easy
When was the Raggedy Ann doll patented?
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Question 28
Easy
In which year was MIDI introduced?
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Question 29
Easy
When was barb wire patented?
Solution Breakdown:
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