Who was the first person to calculate the Earth's circumference? MCQ with Answer and Explanation

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Who was the first person to calculate the Earth's circumference?

A. Pythagoras

B. Aristotle

C. Ptolemy

D. Eratosthenes

Answer: Option D

Solution (By JKSSB Mock Tests)

Eratosthenes calculated the Earth's circumference with remarkable accuracy in the 3rd century BCE.

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Question #1

Which country is the first to have successfully landed a spacecraft on the far side of the moon?

A. Japan

B. Russia

C. USA

D. China

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Correct Answer: Option D

Explanation:
China's Chang'e 4 mission made history in 2019 by landing the first spacecraft on the far side of the Moon.

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Question #2

What was the first commercial video game ever released?

A. Computer Space

B. Spacewar!

C. Pac-Man

D. Pong

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Correct Answer: Option A

Explanation:
Computer Space, released in 1971, was the first commercially sold, coin-operated video game.

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Question #3

Who was the first person to win the Nobel Prize in three different years?

A. Linus Pauling

B. None - the maximum is two

C. Frederick Sanger

D. Marie Curie

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Correct Answer: Option B

Explanation:
The Nobel committee forbids anyone from winning more than twice.

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

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