alleryWhich number system is built first, from which the integers are defined?
ANatural numbers
BReal numbers
CComplex numbers
DRational numbers
Answer & Solution
Correct answer: A. Natural numbers
1. Integers, rationals, reals and complex numbers are defined one from the other.
2. They start from the natural numbers.
3. So the others are built later and contain the natural numbers.
_Source: Wikipedia, Natural number, Lead section_
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