समांतर श्रेणी \(120,110,100,90,\ldots\) में पाँचवाँ पद क्या है?
What is the fifth term in the arithmetic progression \(120,110,100,90,\ldots\)?
Explanation opens after your attempt
C. (80)
Concept
The common difference is (-10), so the fifth term is (80). In exams, count in the correct direction for decreasing terms.
Why this answer is correct
The correct answer is C. (80). The common difference is (-10), so the fifth term is (80). In exams, count in the correct direction for decreasing terms.
Exam Tip
सार्व अंतर (-10) है, इसलिए पाँचवाँ पद (80) है। परीक्षा में घटते पदों में सही दिशा में गिनें।
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