\(यदि (A={x:x\) अभाज्य संख्या है\(, x<15}) और (B={x:x\) विषम संख्या है\(, x<15}), तो (A-B) क्या है\)?

\(If (A={x:x\) is a prime number\(, x<15}) and (B={x:x\) is an odd number\(, x<15}), what is (A-B)\)?

Explanation opens after your attempt
Correct Answer

A. ( {2} )

Step 1

Concept

\(A=\{2,3,5,7,11,13\}\), and (B) contains odd numbers. Only (2) in (A) is not odd.

Step 2

Why this answer is correct

The correct answer is A. ( {2} ). \(A=\{2,3,5,7,11,13\}\), and (B) contains odd numbers. Only (2) in (A) is not odd.

Step 3

Exam Tip

\(A=\{2,3,5,7,11,13\}\) है और (B) में विषम संख्याएं हैं। (A) में केवल (2) विषम नहीं है।

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Mathematics Answer, Explanation and Revision Hints

\(यदि (A={x:x\) अभाज्य संख्या है\(, x<15}) और (B={x:x\) विषम संख्या है, x<15}), तो (A-B) क्या है? \(/ If (A={x:x\) is a prime number\(, x<15}) and (B={x:x\) is an odd number\(, x<15}), what is (A-B)\)?

Correct Answer: A. ( {2} ). Explanation: \(A=\{2,3,5,7,11,13\}\) है और (B) में विषम संख्याएं हैं। (A) में केवल (2) विषम नहीं है। / \(A=\{2,3,5,7,11,13\}\), and (B) contains odd numbers. Only (2) in (A) is not odd.

Which concept should I revise for this Mathematics MCQ?

\(A=\{2,3,5,7,11,13\}\), and (B) contains odd numbers. Only (2) in (A) is not odd.

What exam hint can help solve this Mathematics question?

\(A=\{2,3,5,7,11,13\}\) है और (B) में विषम संख्याएं हैं। (A) में केवल (2) विषम नहीं है।