यदि \(a_1=14\) और \(a_{n+1}=a_n+7\) है तो \(a_4\) क्या होगा?
If \(a_1=14\) and \(a_{n+1}=a_n+7\), what is \(a_4\)?
Explanation opens after your attempt
B. (35)
Concept
The terms are (14,21,28,35), so \(a_4=35\). Exam tip: add (7) three times.
Why this answer is correct
The correct answer is B. (35). The terms are (14,21,28,35), so \(a_4=35\). Exam tip: add (7) three times.
Exam Tip
पद (14,21,28,35) हैं इसलिए \(a_4=35\) है। तीन बार (7) जोड़ना है।
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