यदि \(a_1=45\) और \(a_{n+1}=a_n-5\) है तो \(a_6\) क्या होगा?
If \(a_1=45\) and \(a_{n+1}=a_n-5\), what is \(a_6\)?
Explanation opens after your attempt
B. (20)
Concept
The terms are (45,40,35,30,25,20), so \(a_6=20\). Exam tip: subtract (5) at each step.
Why this answer is correct
The correct answer is B. (20). The terms are (45,40,35,30,25,20), so \(a_6=20\). Exam tip: subtract (5) at each step.
Exam Tip
पद (45,40,35,30,25,20) हैं इसलिए \(a_6=20\) है। हर बार (5) घटाएँ।
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