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Subjects
Class 10MathematicsSetsPower Set and SubsetsEasyLevel 7

If A = {1, 2, 3, 4}, which subset is a proper subset of A?

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Answer and explanation

Correct answer: {1, 2, 3}

A proper subset contains only elements of the original set and is not equal to the original set. The set {1, 2, 3} contains elements that all belong to A, but it omits 4, so it is smaller than A. Option A is equal to A, while options C and D contain elements not in A. Therefore B is correct.

Tags

setsproper subsetfinite setssubset definitionPower Set and SubsetsMathematicsClass 10 MCQ

Frequently asked questions

What is the correct answer to this question?

{1, 2, 3}

Why is this the correct answer?

A proper subset contains only elements of the original set and is not equal to the original set. The set {1, 2, 3} contains elements that all belong to A, but it omits 4, so it is smaller than A. Option A is equal to A, while options C and D contain elements not in A. Therefore B is correct.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Sets. Topic: Power Set and Subsets.

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