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Q:

Which was invented by JB Dunlop?

  • 1
    Pneumatic rubber tire
  • 2
    Car music system
  • 3
    steering wheel
  • 4
    diesel engine
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Answer : 1. "Pneumatic rubber tire"
Explanation :

J.B. Dunlop is credited with inventing the pneumatic tyre that was first used in bicycles. The patent for it was granted to him on 7th December, 1888.


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