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condition_count MCQ Questions for Class 11

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

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2 questions tagged with condition_count.

Question 1/2 Easy Mathematics Sets Power Set and Universal Set Class 11 Level 12

यदि \(A=\{1,2,3,4\}\) है तो (\mathcal{P}(A)) में कितने उपसमुच्चय (2) को रखते और (3) को नहीं रखते?

If \(A=\{1,2,3,4\}\), how many subsets in (\mathcal{P}(A)) contain (2) and do not contain (3)?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

Taking (2) and not taking (3) are fixed. For remaining (1,4), there are \(2^2=4\) choices.

Step 2

Why this answer is correct

The correct answer is B. (4). Taking (2) and not taking (3) are fixed. For remaining (1,4), there are \(2^2=4\) choices.

Step 3

Exam Tip

(2) लेना और (3) न लेना तय है। बाकी (1,4) के लिए \(2^2=4\) विकल्प हैं।

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Question 2/2 Easy Mathematics Sets Power Set and Universal Set Class 11 Level 11

यदि \(A=\{1,2,3,4\}\) है तो (\mathcal{P}(A)) में कितने उपसमुच्चय (1) को रखते और (4) को नहीं रखते?

If \(A=\{1,2,3,4\}\), how many subsets in (\mathcal{P}(A)) contain (1) and do not contain (4)?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

Keeping (1) and excluding (4) are fixed. For remaining (2,3), there are \(2^2=4\) choices.

Step 2

Why this answer is correct

The correct answer is B. (4). Keeping (1) and excluding (4) are fixed. For remaining (2,3), there are \(2^2=4\) choices.

Step 3

Exam Tip

(1) को रखना और (4) को हटाना तय है। बाकी (2,3) के लिए \(2^2=4\) विकल्प हैं।

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