यदि समानांतर श्रेढ़ी में \(a_7=58\) और (d=8) है, तो \(a_4\) क्या होगा?

If an arithmetic progression has \(a_7=58\) and (d=8), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

B. (34)

Step 1

Concept

From \(a_7\) to \(a_4\), move back (3) gaps, so (a_4=58-3(8)=34). When moving backward, subtract the common difference.

Step 2

Why this answer is correct

The correct answer is B. (34). From \(a_7\) to \(a_4\), move back (3) gaps, so (a_4=58-3(8)=34). When moving backward, subtract the common difference.

Step 3

Exam Tip

\(a_7\) से \(a_4\) तक (3) अंतर पीछे जाना है, इसलिए (a_4=58-3(8)=34)। पीछे जाते समय समान अंतर घटाएं।

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Mathematics Answer, Explanation and Revision Hints

यदि समानांतर श्रेढ़ी में \(a_7=58\) और (d=8) है, तो \(a_4\) क्या होगा? / If an arithmetic progression has \(a_7=58\) and (d=8), what is \(a_4\)?

Correct Answer: B. (34). Explanation: \(a_7\) से \(a_4\) तक (3) अंतर पीछे जाना है, इसलिए (a_4=58-3(8)=34)। पीछे जाते समय समान अंतर घटाएं। / From \(a_7\) to \(a_4\), move back (3) gaps, so (a_4=58-3(8)=34). When moving backward, subtract the common difference.

Which concept should I revise for this Mathematics MCQ?

From \(a_7\) to \(a_4\), move back (3) gaps, so (a_4=58-3(8)=34). When moving backward, subtract the common difference.

What exam hint can help solve this Mathematics question?

\(a_7\) से \(a_4\) तक (3) अंतर पीछे जाना है, इसलिए (a_4=58-3(8)=34)। पीछे जाते समय समान अंतर घटाएं।