यदि \(A=\{1,2,3,4,5,6\}\), तो (\mathcal{P}(A)) में ऐसे कितने उपसमुच्चय हैं जिनमें (1) या (2) में से कम से कम एक है?

If \(A=\{1,2,3,4,5,6\}\), how many subsets in (\mathcal{P}(A)) contain at least one of (1) or (2)?

Explanation opens after your attempt
Correct Answer

A. (48)

Step 1

Concept

There are (64) total subsets, and those containing neither (1) nor (2) are \(2^4=16\). Hence the answer is (64-16=48).

Step 2

Why this answer is correct

The correct answer is A. (48). There are (64) total subsets, and those containing neither (1) nor (2) are \(2^4=16\). Hence the answer is (64-16=48).

Step 3

Exam Tip

कुल उपसमुच्चय (64) हैं और जिनमें (1,2) दोनों नहीं हैं वे \(2^4=16\) हैं। इसलिए उत्तर (64-16=48) है।

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यदि \(A=\{1,2,3,4,5,6\}\), तो (\mathcal{P}(A)) में ऐसे कितने उपसमुच्चय हैं जिनमें (1) या (2) में से कम से कम एक है? / If \(A=\{1,2,3,4,5,6\}\), how many subsets in (\mathcal{P}(A)) contain at least one of (1) or (2)?

Correct Answer: A. (48). Explanation: कुल उपसमुच्चय (64) हैं और जिनमें (1,2) दोनों नहीं हैं वे \(2^4=16\) हैं। इसलिए उत्तर (64-16=48) है। / There are (64) total subsets, and those containing neither (1) nor (2) are \(2^4=16\). Hence the answer is (64-16=48).

Which concept should I revise for this Mathematics MCQ?

There are (64) total subsets, and those containing neither (1) nor (2) are \(2^4=16\). Hence the answer is (64-16=48).

What exam hint can help solve this Mathematics question?

कुल उपसमुच्चय (64) हैं और जिनमें (1,2) दोनों नहीं हैं वे \(2^4=16\) हैं। इसलिए उत्तर (64-16=48) है।