समांतर श्रेणी \(20,18,16,14,\ldots\) का अगला पद क्या होगा?
What is the next term of the arithmetic progression \(20,18,16,14,\ldots\)?
Explanation opens after your attempt
C. (12)
Concept
The common difference is (-2), so the next term is (14-2=12). In exams, apply the negative difference for decreasing terms.
Why this answer is correct
The correct answer is C. (12). The common difference is (-2), so the next term is (14-2=12). In exams, apply the negative difference for decreasing terms.
Exam Tip
सार्व अंतर (-2) है, इसलिए अगला पद (14-2=12) है। परीक्षा में घटते पदों में अंतर घटाकर लगाएँ।
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