Q. What J. B. Dunlop invented?

  • (A) Rubber boot
  • (B) Pneumatic rubber tire
  • (C) Model airplanes
  • (D) Automobile wheel rim
✅ Correct Answer: (B) Pneumatic rubber tire

Published by Jitendra Singh ⭐ 7.50K Points at 05-Dec-2021 08:09 am in Science

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