गुणोत्तर श्रेणी \(6,18,54,162,\ldots\) में (4374) कौन-सा पद है?

In the geometric progression \(6,18,54,162,\ldots\), which term is (4374)?

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Correct Answer

B. सातवाँ पद(7)th term

Step 1

Concept

From \(6\cdot3^{n-1}=4374\), \(3^{n-1}=729=3^6\), so (n=7). In exams, equate powers to find (n).

Step 2

Why this answer is correct

The correct answer is B. सातवाँ पद / (7)th term. From \(6\cdot3^{n-1}=4374\), \(3^{n-1}=729=3^6\), so (n=7). In exams, equate powers to find (n).

Step 3

Exam Tip

\(6\cdot3^{n-1}=4374\) से \(3^{n-1}=729=3^6\), इसलिए (n=7) है। परीक्षा में घातों को बराबर करके (n) निकालें।

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Mathematics Answer, Explanation and Revision Hints

गुणोत्तर श्रेणी \(6,18,54,162,\ldots\) में (4374) कौन-सा पद है? / In the geometric progression \(6,18,54,162,\ldots\), which term is (4374)?

Correct Answer: B. सातवाँ पद / (7)th term. Explanation: \(6\cdot3^{n-1}=4374\) से \(3^{n-1}=729=3^6\), इसलिए (n=7) है। परीक्षा में घातों को बराबर करके (n) निकालें। / From \(6\cdot3^{n-1}=4374\), \(3^{n-1}=729=3^6\), so (n=7). In exams, equate powers to find (n).

Which concept should I revise for this Mathematics MCQ?

From \(6\cdot3^{n-1}=4374\), \(3^{n-1}=729=3^6\), so (n=7). In exams, equate powers to find (n).

What exam hint can help solve this Mathematics question?

\(6\cdot3^{n-1}=4374\) से \(3^{n-1}=729=3^6\), इसलिए (n=7) है। परीक्षा में घातों को बराबर करके (n) निकालें।