यदि (A) में (2) सदस्य हैं और (B) में (3) सदस्य हैं तथा \(A\subset B\), तो (\mathcal{P}(B)-\mathcal{P}(A)) में कितने सदस्य होंगे?

If (A) has (2) elements and (B) has (3) elements with \(A\subset B\), how many elements are in (\mathcal{P}(B)-\mathcal{P}(A))?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

(\mathcal{P}(B)) has (8) elements and (\mathcal{P}(A)) has (4). The difference contains (8-4=4) elements.

Step 2

Why this answer is correct

The correct answer is B. (4). (\mathcal{P}(B)) has (8) elements and (\mathcal{P}(A)) has (4). The difference contains (8-4=4) elements.

Step 3

Exam Tip

(\mathcal{P}(B)) में (8) और (\mathcal{P}(A)) में (4) सदस्य हैं। अंतर में (8-4=4) सदस्य होंगे।

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Mathematics Answer, Explanation and Revision Hints

यदि (A) में (2) सदस्य हैं और (B) में (3) सदस्य हैं तथा \(A\subset B\), तो (\mathcal{P}(B)-\mathcal{P}(A)) में कितने सदस्य होंगे? / If (A) has (2) elements and (B) has (3) elements with \(A\subset B\), how many elements are in (\mathcal{P}(B)-\mathcal{P}(A))?

Correct Answer: B. (4). Explanation: (\mathcal{P}(B)) में (8) और (\mathcal{P}(A)) में (4) सदस्य हैं। अंतर में (8-4=4) सदस्य होंगे। / (\mathcal{P}(B)) has (8) elements and (\mathcal{P}(A)) has (4). The difference contains (8-4=4) elements.

Which concept should I revise for this Mathematics MCQ?

(\mathcal{P}(B)) has (8) elements and (\mathcal{P}(A)) has (4). The difference contains (8-4=4) elements.

What exam hint can help solve this Mathematics question?

(\mathcal{P}(B)) में (8) और (\mathcal{P}(A)) में (4) सदस्य हैं। अंतर में (8-4=4) सदस्य होंगे।