Who invented the fidget spinner? MCQ with Answer and Explanation

Who invented the fidget spinner?

A. Both

B. Toy companies

C. Various claims

D. Catherine Hettinger

Answer: Option D

Catherine Hettinger patented an early version.

This question belongs to: Static General Knowledge First in the World

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Question #1 Report Error

Who discovered the accelerating expansion of the universe?

A. Saul Perlmutter, Brian Schmidt, Adam Riess

B. Stephen Hawking

C. Albert Einstein

D. Edwin Hubble

Correct Answer: Option A

Explanation:
They shared the Nobel for this discovery.

This question belongs to: Static General Knowledge First in the World

Question #2 Report Error

Who discovered the first exoplanet with confirmed atmosphere?

A. Michel Mayor

B. NASA

C. HD 209458b

D. Both

Correct Answer: Option C

Explanation:
HD 209458b.

This question belongs to: Static General Knowledge First in the World

Question #3 Report Error

Who invented the Frisbee?

A. Both

B. Fred Morrison

C. Walter Morrison

D. Wham-O

Correct Answer: Option A

Explanation:
Walter Morrison invented the flying disc.

This question belongs to: Static General Knowledge First in the World