यदि \(a_1=4\) और \(a_{n+1}=a_n+n\) है तो \(a_5\) क्या होगा?
If \(a_1=4\) and \(a_{n+1}=a_n+n\), what is \(a_5\)?
Explanation opens after your attempt
C. (14)
Concept
The terms are (4,5,7,10,14), so \(a_5=14\). Exam tip: the value of (n) changes at every step.
Why this answer is correct
The correct answer is C. (14). The terms are (4,5,7,10,14), so \(a_5=14\). Exam tip: the value of (n) changes at every step.
Exam Tip
पद (4,5,7,10,14) हैं इसलिए \(a_5=14\) है। (n) का मान हर चरण में बदलता है।
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