यदि \(a_n=40-5n\) है, तो \(a_3+a_7\) का मान क्या है?

If \(a_n=40-5n\), what is the value of \(a_3+a_7\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (50)

Step 1

Concept

\(a_3=25\) and \(a_7=5\), so the sum is (30). Find both terms separately.

Step 2

Why this answer is correct

The correct answer is C. (50). \(a_3=25\) and \(a_7=5\), so the sum is (30). Find both terms separately.

Step 3

Exam Tip

\(a_3=25\) और \(a_7=5\), इसलिए योग (30) है। दोनों पद अलग-अलग निकालें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=40-5n\) है, तो \(a_3+a_7\) का मान क्या है? / If \(a_n=40-5n\), what is the value of \(a_3+a_7\)?

Correct Answer: C. (50). Explanation: \(a_3=25\) और \(a_7=5\), इसलिए योग (30) है। दोनों पद अलग-अलग निकालें। / \(a_3=25\) and \(a_7=5\), so the sum is (30). Find both terms separately.

Which concept should I revise for this Mathematics MCQ?

\(a_3=25\) and \(a_7=5\), so the sum is (30). Find both terms separately.

What exam hint can help solve this Mathematics question?

\(a_3=25\) और \(a_7=5\), इसलिए योग (30) है। दोनों पद अलग-अलग निकालें।