Concept-wise Practice

complement-law MCQ Questions for Class 11

complement-law se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

2 questions tagged with complement-law.

वेन आरेख में \(A\cap A'\) किसके बराबर होता है?

In a Venn diagram, \(A\cap A'\) is equal to what?

Explanation opens after your attempt
Correct Answer

C. \(\varnothing\)

Step 1

Concept

No element can be in both (A) and (A') at the same time. Therefore, \(A\cap A'=\varnothing\).

Step 2

Why this answer is correct

The correct answer is C. \(\varnothing\). No element can be in both (A) and (A') at the same time. Therefore, \(A\cap A'=\varnothing\).

Step 3

Exam Tip

कोई भी अवयव (A) और (A') दोनों में साथ-साथ नहीं हो सकता। इसलिए \(A\cap A'=\varnothing\)।

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वेन आरेख में \(A\cup A'\) किसके बराबर होता है?

In a Venn diagram, \(A\cup A'\) is equal to what?

Explanation opens after your attempt
Correct Answer

C. (U)

Step 1

Concept

(A) and (A') together make the whole (U). Therefore, \(A\cup A'=U\).

Step 2

Why this answer is correct

The correct answer is C. (U). (A) and (A') together make the whole (U). Therefore, \(A\cup A'=U\).

Step 3

Exam Tip

(A) और (A') मिलकर पूरा (U) बनाते हैं। इसलिए \(A\cup A'=U\)।

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