Medium Mathematics Sequences and Progressions Class 9 Level 47

यदि \(a_n=2n-1\) है, तो कौन-सा पद (41) के बराबर होगा?

If \(a_n=2n-1\), which term will be equal to (41)?

Explanation opens after your attempt
Correct Answer

D. (n=21)

Step 1

Concept

From (2n-1=41), we get (n=21). In exams, find the term number of an odd number using the formula.

Step 2

Why this answer is correct

The correct answer is D. (n=21). From (2n-1=41), we get (n=21). In exams, find the term number of an odd number using the formula.

Step 3

Exam Tip

(2n-1=41) से (n=21) मिलता है। परीक्षा में विषम संख्या के पद को सूत्र से निकालें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=2n-1\) है, तो कौन-सा पद (41) के बराबर होगा? / If \(a_n=2n-1\), which term will be equal to (41)?

Correct Answer: D. (n=21). Explanation: (2n-1=41) से (n=21) मिलता है। परीक्षा में विषम संख्या के पद को सूत्र से निकालें। / From (2n-1=41), we get (n=21). In exams, find the term number of an odd number using the formula.

Which concept should I revise for this Mathematics MCQ?

From (2n-1=41), we get (n=21). In exams, find the term number of an odd number using the formula.

What exam hint can help solve this Mathematics question?

(2n-1=41) से (n=21) मिलता है। परीक्षा में विषम संख्या के पद को सूत्र से निकालें।

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