गुणोत्तर श्रेणी \(405,135,45,\ldots\) में (5) कौन-सा पद है?
In the geometric progression \(405,135,45,\ldots\), which term is (5)?
Explanation opens after your attempt
B. पाँचवाँ पद(5)th term
Concept
Each term is multiplied by \(\frac{1}{3}\), so the terms are (405,135,45,15,5). In exams, you can also check a decreasing GP in order.
Why this answer is correct
The correct answer is B. पाँचवाँ पद / (5)th term. Each term is multiplied by \(\frac{1}{3}\), so the terms are (405,135,45,15,5). In exams, you can also check a decreasing GP in order.
Exam Tip
हर बार \(\frac{1}{3}\) से गुणा होता है, इसलिए पद (405,135,45,15,5) हैं। परीक्षा में घटती GP को क्रम से भी जाँच सकते हैं।
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