The number of distinct elements of a set S is written as:
Am of S
Bp of S
Ck of S
Dn of S
Answer & Solution
Correct answer: D. n of S
1. The count is needed often enough to have a notation.
2. The letter n is used with the set name in brackets.
3. So the count is written n of S.
_Source: syllabus Mathematics, Chapter 1, Sets._
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