यदि \(a_1=150\) और (a_{n+1}=a_n-\(n^2+n\)) है तो कौन सा पद (110) है?
If \(a_1=150\) and (a_{n+1}=a_n-\(n^2+n\)), which term is (110)?
Explanation opens after your attempt
B. (5)वाँ(5)th
Concept
The terms are (150,148,142,130,110), so (110) is the fifth term. Exam tip: write decreasing terms with positions.
Why this answer is correct
The correct answer is B. (5)वाँ / (5)th. The terms are (150,148,142,130,110), so (110) is the fifth term. Exam tip: write decreasing terms with positions.
Exam Tip
पद (150,148,142,130,110) हैं इसलिए (110) पाँचवाँ पद है। घटते हुए पदों को क्रमांक सहित लिखें।
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