यदि (A-B=A), तो (A) और (B) के बारे में कौन सा निष्कर्ष सही है?

If (A-B=A), what conclusion about (A) and (B) is correct?

Explanation opens after your attempt
Correct Answer

A. \(A\cap B=\emptyset\)

Step 1

Concept

Removing (B) from (A) still leaves (A), so there was no common element. Hence they are disjoint.

Step 2

Why this answer is correct

The correct answer is A. \(A\cap B=\emptyset\). Removing (B) from (A) still leaves (A), so there was no common element. Hence they are disjoint.

Step 3

Exam Tip

(A) से (B) हटाने पर (A) ही बचा, यानी कोई साझा सदस्य नहीं था। इसलिए दोनों असंबद्ध हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि (A-B=A), तो (A) और (B) के बारे में कौन सा निष्कर्ष सही है? / If (A-B=A), what conclusion about (A) and (B) is correct?

Correct Answer: A. \(A\cap B=\emptyset\). Explanation: (A) से (B) हटाने पर (A) ही बचा, यानी कोई साझा सदस्य नहीं था। इसलिए दोनों असंबद्ध हैं। / Removing (B) from (A) still leaves (A), so there was no common element. Hence they are disjoint.

Which concept should I revise for this Mathematics MCQ?

Removing (B) from (A) still leaves (A), so there was no common element. Hence they are disjoint.

What exam hint can help solve this Mathematics question?

(A) से (B) हटाने पर (A) ही बचा, यानी कोई साझा सदस्य नहीं था। इसलिए दोनों असंबद्ध हैं।