alleryHow many subsets does {1, 2} have?
AExactly two
BExactly three
CExactly eight
DExactly four
Answer & Solution
Correct answer: D. Exactly four
1. The subsets are the empty set, {1}, {2} and {1, 2}.
2. Count them.
3. There are four.
_Source: syllabus Mathematics, Chapter 1, Sets._
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