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Subjects
Class 10MathematicsSetsOperations on Sets (Union, Intersection, Difference)EasyLevel 17

If A = {a, b, c, d} and B = {b, d, e}, what is A − B?

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Answer and explanation

Correct answer: {a, c}

The difference A − B contains elements that belong to A but do not belong to B. Starting with A = {a, b, c, d}, remove b and d because both are also in B = {b, d, e}. The element e is not in A, so it cannot appear in A − B. The remaining elements are a and c, giving A − B = {a, c}.

Tags

setsdifferenceset-operationssubtraction-of-setsOperations on Sets (UnionIntersectionDifference)operations on sets union intersection differenceMathematicsClass 10 MCQ

Frequently asked questions

What is the correct answer to this question?

{a, c}

Why is this the correct answer?

The difference A − B contains elements that belong to A but do not belong to B. Starting with A = {a, b, c, d}, remove b and d because both are also in B = {b, d, e}. The element e is not in A, so it cannot appear in A − B. The remaining elements are a and c, giving A − B = {a, c}.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Sets. Topic: Operations on Sets (Union, Intersection, Difference).

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