Class 11 Mathematics Sets Operations on Sets (Union, Intersection, Difference) Easy Level 18

यदि \(A=\{north,south,east,west\}\) और \(B=\{east,west\}\) है, तो (A-B) क्या है?

If \(A=\{north,south,east,west\}\) and \(B=\{east,west\}\), what is (A-B)?

Explanation opens after your attempt
Correct Answer

A. ( {north,south} )

Step 1

Concept

Removing (east) and (west) from (A) leaves (north) and (south). Removed elements do not appear in the difference.

Step 2

Why this answer is correct

The correct answer is A. ( {north,south} ). Removing (east) and (west) from (A) leaves (north) and (south). Removed elements do not appear in the difference.

Step 3

Exam Tip

(A) से (east) और (west) हटाने पर (north) और (south) बचते हैं। अंतर में हटाए गए अवयव उत्तर में नहीं आते।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{north,south,east,west\}\) और \(B=\{east,west\}\) है, तो (A-B) क्या है? / If \(A=\{north,south,east,west\}\) and \(B=\{east,west\}\), what is (A-B)?

Correct Answer: A. ( {north,south} ). Explanation: (A) से (east) और (west) हटाने पर (north) और (south) बचते हैं। अंतर में हटाए गए अवयव उत्तर में नहीं आते। / Removing (east) and (west) from (A) leaves (north) and (south). Removed elements do not appear in the difference.

Which concept should I revise for this Mathematics MCQ?

Removing (east) and (west) from (A) leaves (north) and (south). Removed elements do not appear in the difference.

What exam hint can help solve this Mathematics question?

(A) से (east) और (west) हटाने पर (north) और (south) बचते हैं। अंतर में हटाए गए अवयव उत्तर में नहीं आते।