Who invented the number zero?
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Agatharchos
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Galileo Galilei
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Aryabhatta
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Engel
C
Correct answer
Explanation
Aryabhata (476-550 AD) is credited with developing the concept of zero as a number in ancient Indian mathematics. The other options are unrelated - Agatharchos (Greek artist), Galileo (astronomer), Engel (unknown context).