अनुक्रम \(81,27,9,3,\ldots\) का सार्व अनुपात क्या है?
What is the common ratio of the sequence \(81,27,9,3,\ldots\)?
Explanation opens after your attempt
Correct Answer
B. \(\frac{1}{3}\)
Concept
The common ratio is \(\frac{27}{81}=\frac{1}{3}\). In a decreasing geometric progression the ratio can be less than (1).
Why this answer is correct
The correct answer is B. \(\frac{1}{3}\). The common ratio is \(\frac{27}{81}=\frac{1}{3}\). In a decreasing geometric progression the ratio can be less than (1).
Exam Tip
सार्व अनुपात \(\frac{27}{81}=\frac{1}{3}\) है। घटती गुणोत्तर श्रेढ़ी में अनुपात (1) से छोटा हो सकता है।
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