Q. What J. B. Dunlop invented?

A) Automobile wheel rim

B) Pneumatic rubber tire

C) Model airplanes

D) Rubber boot

✔ Correct Answer: Pneumatic rubber tire

Exam Insight

J.B. Dunlop is credited with the invention of the pneumatic tire in 1887, which revolutionized transportation by providing a smooth, cushioned ride.

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