यदि \(a_n=\frac{5n}{2}\) है, तो चौथा पद क्या होगा?
If \(a_n=\frac{5n}{2}\), what is the fourth term?
Explanation opens after your attempt
B. (10)
Concept
\(a_4=\frac{5\times4}{2}=10\). In exams, simplify the fraction before writing the answer.
Why this answer is correct
The correct answer is B. (10). \(a_4=\frac{5\times4}{2}=10\). In exams, simplify the fraction before writing the answer.
Exam Tip
\(a_4=\frac{5\times4}{2}=10\) है। परीक्षा में भिन्न को सरल करके उत्तर लिखें।
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