समांतर श्रेणी \(19,15,11,7,\ldots\) में सार्व अंतर क्या है?
What is the common difference in the arithmetic progression \(19,15,11,7,\ldots\)?
Explanation opens after your attempt
B. (-4)
Concept
The difference of consecutive terms is (15-19=-4). In exams, write the difference as negative for a decreasing progression.
Why this answer is correct
The correct answer is B. (-4). The difference of consecutive terms is (15-19=-4). In exams, write the difference as negative for a decreasing progression.
Exam Tip
लगातार पदों का अंतर (15-19=-4) है। परीक्षा में घटती श्रेणी का अंतर ऋणात्मक लिखें।
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