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

If A = {x : x is a letter of the word KAMAL}, how many elements are in A?

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Answer and explanation

Correct answer: 4

A set counts distinct objects only once, even when an object is repeated in the description. The letters of KAMAL are K, A, M, A and L. Although A appears twice, it is included only once in the set. Thus A = {K, A, M, L}, which has four elements. Option B is correct.

Tags

setsfinite-setdistinct-elementscardinalityThe 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?

4

Why is this the correct answer?

A set counts distinct objects only once, even when an object is repeated in the description. The letters of KAMAL are K, A, M, A and L. Although A appears twice, it is included only once in the set. Thus A = {K, A, M, L}, which has four elements. Option B is correct.

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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