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A number that cannot be written as p/q with integers p and q (q not zero) is:

AComposite
BInteger
CIrrational
DRational
Answer & Solution
Correct answer: C. Irrational
1. Root 2 and root 3 are examples. 2. Such numbers are irrational. 3. Together with rationals they make the reals. _Source: syllabus Mathematics, Chapter 1, Real Numbers._
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