समांतर श्रेणी \(18,24,30,36,\ldots\) में सातवाँ पद क्या होगा?
What will be the seventh term in the arithmetic progression \(18,24,30,36,\ldots\)?
Explanation opens after your attempt
D. (54)
Concept
(a=18) and (d=6), so \(a_7=18+6\times6=54\). In exams, add the difference (n-1) times.
Why this answer is correct
The correct answer is D. (54). (a=18) and (d=6), so \(a_7=18+6\times6=54\). In exams, add the difference (n-1) times.
Exam Tip
(a=18) और (d=6), इसलिए \(a_7=18+6\times6=54\) है। परीक्षा में (n-1) बार अंतर जोड़ें।
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