यदि समानांतर श्रेढ़ी का पहला पद (12) और चौथा पद (27) है, तो समान अंतर क्या है?
If the first term of an arithmetic progression is (12) and the fourth term is (27), what is the common difference?
Explanation opens after your attempt
C. (5)
Concept
From \(a_4=12+3d=27\), (3d=15) and (d=5). Up to the fourth term, there are three gaps.
Why this answer is correct
The correct answer is C. (5). From \(a_4=12+3d=27\), (3d=15) and (d=5). Up to the fourth term, there are three gaps.
Exam Tip
\(a_4=12+3d=27\) से (3d=15) और (d=5)। चौथे पद तक तीन अंतर होते हैं।
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