Multiple choice general knowledge

What J. B. Dunlop invented?

  1. Pneumatic rubber tire

  2. Automobile wheel rim

  3. Rubber boot

  4. Model airplanes
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A Correct answer
Explanation

John Boyd Dunlop, a Scottish veterinarian, invented the pneumatic (air-filled) rubber tire in 1887. He initially developed it for his son's tricycle to make the ride more comfortable. This invention revolutionized bicycle technology and later became essential for automobiles.

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