Chapter 1: Sets

Exercise

Question

Question: 2 (v)

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Which of the following sets are finite or infinite

(v) The set of prime numbers less than 99

Answer

1
Determine whether the number of numbers less than 99 is fixed.
Answer: It is a finite set.
Reason: There are only finitely many prime numbers less than 99. Therefore, the set is finite. Set = {2, 3, 5, 7, 11, 13, 17,$...$, 79, 83, 89, 97}
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