यदि \(a_n=9n+4\) है, तो \(a_n=85\) किस पद पर होगा?

If \(a_n=9n+4\), at which term will \(a_n=85\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (9)वाँ(9)th

Step 1

Concept

From (9n+4=85), (9n=81) and (n=9). To find the position, set \(a_n\) equal to the given value.

Step 2

Why this answer is correct

The correct answer is C. (9)वाँ / (9)th. From (9n+4=85), (9n=81) and (n=9). To find the position, set \(a_n\) equal to the given value.

Step 3

Exam Tip

(9n+4=85) से (9n=81) और (n=9)। पद का स्थान निकालने के लिए \(a_n\) को दिए मान के बराबर रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=9n+4\) है, तो \(a_n=85\) किस पद पर होगा? / If \(a_n=9n+4\), at which term will \(a_n=85\)?

Correct Answer: C. (9)वाँ / (9)th. Explanation: (9n+4=85) से (9n=81) और (n=9)। पद का स्थान निकालने के लिए \(a_n\) को दिए मान के बराबर रखें। / From (9n+4=85), (9n=81) and (n=9). To find the position, set \(a_n\) equal to the given value.

Which concept should I revise for this Mathematics MCQ?

From (9n+4=85), (9n=81) and (n=9). To find the position, set \(a_n\) equal to the given value.

What exam hint can help solve this Mathematics question?

(9n+4=85) से (9n=81) और (n=9)। पद का स्थान निकालने के लिए \(a_n\) को दिए मान के बराबर रखें।