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Class 12MathematicsSetsEasyLevel 17
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If A = {0, 1, 2, 3} and B = {2, 3, 4, 5}, what is A − B?

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Answer and explanation

Correct answer: {0, 1}

A − B means the elements that belong to A but do not belong to B. Starting with A = {0, 1, 2, 3}, compare each element with B = {2, 3, 4, 5}. The elements 2 and 3 occur in both sets, so they must be removed from A. The remaining elements are 0 and 1, giving A − B = {0, 1}.

Related tags

SetsDifferenceSet OperationsCommon ElementsMathematicsClass 12 Mcq

Frequently asked questions

What is the correct answer to this question?

{0, 1}

Why is this the correct answer?

A − B means the elements that belong to A but do not belong to B. Starting with A = {0, 1, 2, 3}, compare each element with B = {2, 3, 4, 5}. The elements 2 and 3 occur in both sets, so they must be removed from A. The remaining elements are 0 and 1, giving A − B = {0, 1}.

Which subject and chapter does this question cover?

This is a Class 12 Mathematics question. Chapter: Sets.

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  5. 5Which option is not an example of a well-defined set?
  6. 6What is the correct roster form of A₁ = {x : x ∈ ℕ, x² − 1 = 0}?
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