यदि \(U=\{a,b,c,d,e\}\) और \(A=\{a,c,e\}\) है, तो (\mathcal{P}(A')) में कितने सदस्य होंगे?

If \(U=\{a,b,c,d,e\}\) and \(A=\{a,c,e\}\), how many members will (\mathcal{P}(A')) have?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

Here (A'=U-A={b,d}), so (|\mathcal{P}(A')|=22=4). In exams, always take complement with respect to the given universal set.

Step 2

Why this answer is correct

The correct answer is B. (4). Here (A'=U-A={b,d}), so (|\mathcal{P}(A')|=22=4). In exams, always take complement with respect to the given universal set.

Step 3

Exam Tip

यहां (A'=U-A={b,d}), इसलिए (|\mathcal{P}(A')|=22=4)। परीक्षा में पूरक हमेशा दिए गए सार्वत्रिक समुच्चय के सापेक्ष लें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(U=\{a,b,c,d,e\}\) और \(A=\{a,c,e\}\) है, तो (\mathcal{P}(A')) में कितने सदस्य होंगे? / If \(U=\{a,b,c,d,e\}\) and \(A=\{a,c,e\}\), how many members will (\mathcal{P}(A')) have?

Correct Answer: B. (4). Explanation: यहां (A'=U-A={b,d}), इसलिए (|\mathcal{P}(A')|=22=4)। परीक्षा में पूरक हमेशा दिए गए सार्वत्रिक समुच्चय के सापेक्ष लें। / Here (A'=U-A={b,d}), so (|\mathcal{P}(A')|=22=4). In exams, always take complement with respect to the given universal set.

Which concept should I revise for this Mathematics MCQ?

Here (A'=U-A={b,d}), so (|\mathcal{P}(A')|=22=4). In exams, always take complement with respect to the given universal set.

What exam hint can help solve this Mathematics question?

यहां (A'=U-A={b,d}), इसलिए (|\mathcal{P}(A')|=22=4)। परीक्षा में पूरक हमेशा दिए गए सार्वत्रिक समुच्चय के सापेक्ष लें।