अनुक्रम \(15,11,7,3,\ldots\) में सार्व अंतर क्या है?
What is the common difference in the sequence \(15,11,7,3,\ldots\)?
Explanation opens after your attempt
B. (-4)
Concept
Each term decreases by (4), so the common difference is (-4). In exams, a decreasing sequence has a negative difference.
Why this answer is correct
The correct answer is B. (-4). Each term decreases by (4), so the common difference is (-4). In exams, a decreasing sequence has a negative difference.
Exam Tip
हर पद में (4) घट रहा है, इसलिए सार्व अंतर (-4) है। परीक्षा में घटते अनुक्रम में अंतर ऋणात्मक होता है।
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