यदि \(a_1=90\) और \(a_{n+1}=\frac{a_n}{3}\) है तो \(a_4\) क्या होगा?
If \(a_1=90\) and \(a_{n+1}=\frac{a_n}{3}\), what is \(a_4\)?
Explanation opens after your attempt
B. (10)
Concept
The terms are \(90,30,10,\frac{10}{3}\), so \(a_4=\frac{10}{3}\). None of the listed options is correct.
Why this answer is correct
The correct answer is B. (10). The terms are \(90,30,10,\frac{10}{3}\), so \(a_4=\frac{10}{3}\). None of the listed options is correct.
Exam Tip
पद \(90,30,10,\frac{10}{3}\) नहीं बल्कि \(a_3=10\) और \(a_4=\frac{10}{3}\) है। इसलिए विकल्पों में सही मान नहीं है।
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