Class 11 Mathematics Sets Operations on Sets (Union, Intersection, Difference) Expert Level 18

यदि \(A={x:x\in\mathbb{N},;x\le 40,;x is a square}\) और (B={x:x\in\mathbb{N},;x\le 40,;\(2\mid x}), तो (A\cap B) क्या है\)?

If \(A={x:x\in\mathbb{N},;x\le 40,;x is a square}\) and (B={x:x\in\mathbb{N},;x\le 40,;\(2\mid x}), what is (A\cap B)\)?

Explanation opens after your attempt
Correct Answer

A. ({4,16,36})

Step 1

Concept

The square numbers up to (40) are (1,4,9,16,25,36). Among them, the even squares are (4,16,36).

Step 2

Why this answer is correct

The correct answer is A. ({4,16,36}). The square numbers up to (40) are (1,4,9,16,25,36). Among them, the even squares are (4,16,36).

Step 3

Exam Tip

(40) तक वर्ग संख्याएँ (1,4,9,16,25,36) हैं। इनमें सम वर्ग (4,16,36) हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A={x:x\in\mathbb{N},;x\le 40,;x is a square}\) और \(B={x:x\in\mathbb{N},;x\le 40,;2\mid x}\), तो \(A\cap B\) क्या है? / If \(A={x:x\in\mathbb{N},;x\le 40,;x is a square}\) and (B={x:x\in\mathbb{N},;x\le 40,;\(2\mid x}), what is (A\cap B)\)?

Correct Answer: A. ({4,16,36}). Explanation: (40) तक वर्ग संख्याएँ (1,4,9,16,25,36) हैं। इनमें सम वर्ग (4,16,36) हैं। / The square numbers up to (40) are (1,4,9,16,25,36). Among them, the even squares are (4,16,36).

Which concept should I revise for this Mathematics MCQ?

The square numbers up to (40) are (1,4,9,16,25,36). Among them, the even squares are (4,16,36).

What exam hint can help solve this Mathematics question?

(40) तक वर्ग संख्याएँ (1,4,9,16,25,36) हैं। इनमें सम वर्ग (4,16,36) हैं।