Which of the following mathematical systems was not developed in India?
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Decimal System
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Place Value System
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None of them
-
Both of them
C
Correct answer
Explanation
Both the Decimal System (base-10) and Place Value System were developed in ancient India, notably by mathematicians like Aryabhata and Brahmagupta. The concept of zero as a placeholder was also an Indian contribution. Option C 'None of them' means 'none were NOT developed in India' - i.e., all were developed in India.