समानांतर श्रेढ़ी \(12,20,28,36,\ldots\) के पहले (4) पदों का योग क्या है?
What is the sum of the first (4) terms of the arithmetic progression \(12,20,28,36,\ldots\)?
Explanation opens after your attempt
C. (96)
Concept
The sum of the first (4) terms is (12+20+28+36=96). If there are few terms, direct addition is easy.
Why this answer is correct
The correct answer is C. (96). The sum of the first (4) terms is (12+20+28+36=96). If there are few terms, direct addition is easy.
Exam Tip
पहले (4) पदों का योग (12+20+28+36=96) है। कम पद हों तो सीधे जोड़ना आसान है।
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