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Class 10MathematicsSetsThe Empty Set, Finite and Infinite Sets, Equal SetsEasyLevel 5

What type of set is A = {x : x is a two-digit natural number}?

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Answer and explanation

Correct answer: Finite set

The two-digit natural numbers begin at 10 and end at 99. Thus the set can be listed completely as 10, 11, 12, through 99. It has 90 elements, since 99 − 10 + 1 = 90. Because the list has a definite beginning and ending, the set is finite. It is not empty or infinite.

Tags

setsfinite-setsnatural-numbersThe Empty SetFinite and Infinite SetsEqual Setsthe empty set finite and infinite sets equal setsMathematicsClass 10 MCQ

Frequently asked questions

What is the correct answer to this question?

Finite set

Why is this the correct answer?

The two-digit natural numbers begin at 10 and end at 99. Thus the set can be listed completely as 10, 11, 12, through 99. It has 90 elements, since 99 − 10 + 1 = 90. Because the list has a definite beginning and ending, the set is finite. It is not empty or infinite.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Sets. Topic: The Empty Set, Finite and Infinite Sets, Equal Sets.

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