Hard Mathematics Sets Class 11 Level 7

यदि \(A={x:x\in \mathbb{N},x\leq 4}\) और \(B=\{4,3,2,1\}\) हैं तो कौन सा कथन सही है?

If \(A={x:x\in \mathbb{N},x\leq 4}\) and \(B=\{4,3,2,1\}\), which statement is correct?

Explanation opens after your attempt
Correct Answer

A. (A=B)

Step 1

Concept

Both sets contain only (1,2,3,4). Order has no importance in a set.

Step 2

Why this answer is correct

The correct answer is A. (A=B). Both sets contain only (1,2,3,4). Order has no importance in a set.

Step 3

Exam Tip

दोनों समुच्चयों में (1,2,3,4) ही हैं। समुच्चय में क्रम का महत्व नहीं होता।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(A={x:x\in \mathbb{N},x\leq 4}\) और \(B=\{4,3,2,1\}\) हैं तो कौन सा कथन सही है? / If \(A={x:x\in \mathbb{N},x\leq 4}\) and \(B=\{4,3,2,1\}\), which statement is correct?

Correct Answer: A. (A=B). Explanation: दोनों समुच्चयों में (1,2,3,4) ही हैं। समुच्चय में क्रम का महत्व नहीं होता। / Both sets contain only (1,2,3,4). Order has no importance in a set.

Which concept should I revise for this Mathematics MCQ?

Both sets contain only (1,2,3,4). Order has no importance in a set.

What exam hint can help solve this Mathematics question?

दोनों समुच्चयों में (1,2,3,4) ही हैं। समुच्चय में क्रम का महत्व नहीं होता।

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