क्रम \(18,25,32,39,\ldots\) में \(a_7-a_4\) क्या है?
What is \(a_7-a_4\) in \(18,25,32,39,\ldots\)?
Explanation opens after your attempt
C. (21)
Concept
\(a_7=60\) and \(a_4=39\). Therefore \(a_7-a_4=21\).
Why this answer is correct
The correct answer is C. (21). \(a_7=60\) and \(a_4=39\). Therefore \(a_7-a_4=21\).
Exam Tip
\(a_7=60\) और \(a_4=39\) है। इसलिए \(a_7-a_4=21\) है।
Login to save your score, XP, coins and progress.
