यदि \(a_1=100\) और \(a_{n+1}=a_n-25\) है तो \(a_4\) क्या होगा?
If \(a_1=100\) and \(a_{n+1}=a_n-25\), what is \(a_4\)?
Explanation opens after your attempt
B. (25)
Concept
The terms are (100,75,50,25), so \(a_4=25\). Exam tip: subtract (25) each time.
Why this answer is correct
The correct answer is B. (25). The terms are (100,75,50,25), so \(a_4=25\). Exam tip: subtract (25) each time.
Exam Tip
पद (100,75,50,25) हैं इसलिए \(a_4=25\) है। हर बार (25) घटाएँ।
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