यदि \(a_1=18\) और हर अगले पद में (9) जोड़ा जाता है, तो \(a_{12}\) क्या होगा?
If \(a_1=18\) and (9) is added to each next term, what is \(a_{12}\)?
Explanation opens after your attempt
B. (117)
Concept
\(a_{12}=18+11\times9=117\). To reach the (12)th term, the difference is added (11) times.
Why this answer is correct
The correct answer is B. (117). \(a_{12}=18+11\times9=117\). To reach the (12)th term, the difference is added (11) times.
Exam Tip
\(a_{12}=18+11\times9=117\) है। (12)वें पद तक पहुँचने के लिए (11) बार अंतर जोड़ा जाता है।
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