Which option represents an infinite set?
Answer and explanation
Correct answer: {x : x ∈ N, x is a multiple of 2}
The natural multiples of 2 are 2,4,6,8,... and continue without a final member, so option B is infinite. Option A is bounded above and finite, C contains only the integers -4 through 4, and D has only the solution 5 under the natural-number convention. A set is infinite when its listing never ends.
Frequently asked questions
What is the correct answer to this question?
{x : x ∈ N, x is a multiple of 2}
Why is this the correct answer?
The natural multiples of 2 are 2,4,6,8,... and continue without a final member, so option B is infinite. Option A is bounded above and finite, C contains only the integers -4 through 4, and D has only the solution 5 under the natural-number convention. A set is infinite when its listing never ends.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems.
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