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A multiple shared by every number in a set is a:
ACoupled multiple
BCounted multiple
CCentral multiple
DCommon multiple
Answer & Solution
Correct answer: D. Common multiple
1. Forty five is such a number for nine and five.
2. Each member of the set divides it.
3. It is a common multiple.
_Source: OpenStax, Contemporary Mathematics, Ch 3 'Real Number Systems and Number Theory'_
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