Chapter 1: Sets
Chapter 1: Sets
Exercise
Question
Question: 3 (iii)
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12 / 21
State whether each of the following set is finite or infinite:
(iii) The set of numbers which are multiples of 5
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Answer
1
Determine whether there is a fixed number of multiples of 5.
Answer: It is an infinite set.
Reason: The multiples of 5 are 5, 10, 15, 20,... and they continue indefinitely. Therefore, the set has infinitely many elements and is infinite. Set = {5, 10, 15, 20,$...$}