4013. What J. B. Dunlop invented?

By Admin / September 19, 2025

Pneumatic rubber tire

Automobile wheel rim

Rubber boot

Model airplanes

✅ The correct answer is option A.
John Boyd Dunlop, a veterinary surgeon, invented the pneumatic tyre in 1887.

4. The number of moles of solute present in 1 kg of a solvent is called its

4016. The prestigious Ramon Magsaysay Award was conferred was conferred upon Ms. Kiran Bedi for her excellent contribution to which of the following fields?

1. In which field is the Dhanwantri Award given?

2. Which of the following awards was conferred on Mrs. Kiran Bedi?

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