यदि \(a=96\) और \(r=\frac{1}{2}\) है, तो पहले \(6\) पदों का योग क्या है?
If \(a=96\) and \(r=\frac{1}{2}\), what is the sum of the first \(6\) terms?
Explanation opens after your attempt
B. (189)
Concept
The terms are \(96,48,24,12,6,3\), and their sum is \(189\). In exams, direct addition is also easy for small decreasing terms.
Why this answer is correct
The correct answer is B. (189). The terms are \(96,48,24,12,6,3\), and their sum is \(189\). In exams, direct addition is also easy for small decreasing terms.
Exam Tip
पद \(96,48,24,12,6,3\) हैं और योग (189) है। परीक्षा में छोटे घटते पदों को सीधे जोड़ना भी आसान है।
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