यदि \(A\cup B=B\) और \(A\cap C=C\) हैं, तो कौन-सा कथन अवश्य सत्य है?

If \(A\cup B=B\) and \(A\cap C=C\), which statement must be true?

Explanation opens after your attempt
Correct Answer

A. \(C\subseteq B\)

Step 1

Concept

\(A\cup B=B\) gives \(A\subseteq B\), and \(A\cap C=C\) gives \(C\subseteq A\). Therefore \(C\subseteq B\).

Step 2

Why this answer is correct

The correct answer is A. \(C\subseteq B\). \(A\cup B=B\) gives \(A\subseteq B\), and \(A\cap C=C\) gives \(C\subseteq A\). Therefore \(C\subseteq B\).

Step 3

Exam Tip

\(A\cup B=B\) से \(A\subseteq B\) और \(A\cap C=C\) से \(C\subseteq A\) मिलता है। इसलिए \(C\subseteq B\)।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(A\cup B=B\) और \(A\cap C=C\) हैं, तो कौन-सा कथन अवश्य सत्य है? / If \(A\cup B=B\) and \(A\cap C=C\), which statement must be true?

Correct Answer: A. \(C\subseteq B\). Explanation: \(A\cup B=B\) से \(A\subseteq B\) और \(A\cap C=C\) से \(C\subseteq A\) मिलता है। इसलिए \(C\subseteq B\)। / \(A\cup B=B\) gives \(A\subseteq B\), and \(A\cap C=C\) gives \(C\subseteq A\). Therefore \(C\subseteq B\).

Which concept should I revise for this Mathematics MCQ?

\(A\cup B=B\) gives \(A\subseteq B\), and \(A\cap C=C\) gives \(C\subseteq A\). Therefore \(C\subseteq B\).

What exam hint can help solve this Mathematics question?

\(A\cup B=B\) से \(A\subseteq B\) और \(A\cap C=C\) से \(C\subseteq A\) मिलता है। इसलिए \(C\subseteq B\)।