\(समुच्चय (E_1={x \in \mathbb{N}:x\) विषम है और \(x\leq 11}) का रोस्टर रूप कौन सा है\)?

\(Which is the roster form of (E_1={x \in \mathbb{N}:x\) is odd and \(x\leq 11})\)?

Explanation opens after your attempt
Correct Answer

B. ({1,3,5,7,9,11})

Step 1

Concept

Write odd natural numbers up to (11).

Step 2

Why this answer is correct

Since the condition is \(\leq 11\), (11) is included.

Step 3

Exam Tip

When equality is included in the boundary, check the endpoint. चरण 1: (11) तक विषम प्राकृतिक संख्याएँ लिखें। चरण 2: \(\leq 11\) होने से (11) शामिल होगा। चरण 3: सीमा में बराबरी हो तो अंतिम मान को अवश्य जाँचें।

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Mathematics Answer, Explanation and Revision Hints

\(समुच्चय (E_1={x \in \mathbb{N}:x\) विषम है और x\leq 11}) का रोस्टर रूप कौन सा है? \(/ Which is the roster form of (E_1={x \in \mathbb{N}:x\) is odd and \(x\leq 11})\)?

Correct Answer: B. ({1,3,5,7,9,11}). Explanation: चरण 1: (11) तक विषम प्राकृतिक संख्याएँ लिखें। चरण 2: \(\leq 11\) होने से (11) शामिल होगा। चरण 3: सीमा में बराबरी हो तो अंतिम मान को अवश्य जाँचें। / Step 1: Write odd natural numbers up to (11). Step 2: Since the condition is \(\leq 11\), (11) is included. Step 3: When equality is included in the boundary, check the endpoint.

Which concept should I revise for this Mathematics MCQ?

Write odd natural numbers up to (11).

What exam hint can help solve this Mathematics question?

When equality is included in the boundary, check the endpoint. चरण 1: (11) तक विषम प्राकृतिक संख्याएँ लिखें। चरण 2: \(\leq 11\) होने से (11) शामिल होगा। चरण 3: सीमा में बराबरी हो तो अंतिम मान को अवश्य जाँचें।