यदि \(a_1=3\) और \(a_{n+1}=a_n+4\) है तो \(a_2+a_4\) क्या होगा?
If \(a_1=3\) and \(a_{n+1}=a_n+4\), what is \(a_2+a_4\)?
Explanation opens after your attempt
C. (22)
Concept
The terms are (3,7,11,15), and \(a_2+a_4=7+15=22\). Exam tip: find the needed terms before adding.
Why this answer is correct
The correct answer is C. (22). The terms are (3,7,11,15), and \(a_2+a_4=7+15=22\). Exam tip: find the needed terms before adding.
Exam Tip
पद (3,7,11,15) हैं और \(a_2+a_4=7+15=22\) है। योग से पहले जरूरी पद निकालें।
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