alleryRelations link pairs of objects drawn from how many sets?
ATwo
BNine
CSix
DTen
Answer & Solution
Correct answer: A. Two
1. A pair has a first and a second element.
2. Each comes from its own set.
3. We link pairs of objects from two sets and introduce relations between them.
4. So the answer is two.
_Source: syllabus Mathematics, Ch 2 'Relations and Functions'_
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