यदि (|U|=20), (|A|=12), (|B|=9) और \(|A\cap B|=5\), तो (|\(A\cup B\)'|) क्या होगा?

If (|U|=20), (|A|=12), (|B|=9) and \(|A\cap B|=5\), what is (|\(A\cup B\)'|)?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

\(|A\cup B|=12+9-5=16\). The complement has (20-16=4) elements.

Step 2

Why this answer is correct

The correct answer is B. (4). \(|A\cup B|=12+9-5=16\). The complement has (20-16=4) elements.

Step 3

Exam Tip

\(|A\cup B|=12+9-5=16\) है। पूरक की संख्या (20-16=4) होगी।

Question me issue ya doubt hai?

Answer, explanation, typing mistake ya suggestion directly hamari team ko bhejein. 📱Helpline (Call / WhatsApp): +91 7272824365

Related Mathematics Questions

FAQs

Mathematics Answer, Explanation and Revision Hints

यदि (|U|=20), (|A|=12), (|B|=9) और \(|A\cap B|=5\), तो (|\(A\cup B\)'|) क्या होगा? / If (|U|=20), (|A|=12), (|B|=9) and \(|A\cap B|=5\), what is (|\(A\cup B\)'|)?

Correct Answer: B. (4). Explanation: \(|A\cup B|=12+9-5=16\) है। पूरक की संख्या (20-16=4) होगी। / \(|A\cup B|=12+9-5=16\). The complement has (20-16=4) elements.

Which concept should I revise for this Mathematics MCQ?

\(|A\cup B|=12+9-5=16\). The complement has (20-16=4) elements.

What exam hint can help solve this Mathematics question?

\(|A\cup B|=12+9-5=16\) है। पूरक की संख्या (20-16=4) होगी।