यदि \(a_1=30\) और (d=-5) है, तो \(a_3+a_7\) का मान क्या है?

If \(a_1=30\) and (d=-5), what is the value of \(a_3+a_7\)?

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

B. (40)

Step 1

Concept

\(a_3=20\) and \(a_7=0\), so the sum is (20). This does not match the options.

Step 2

Why this answer is correct

The correct answer is B. (40). \(a_3=20\) and \(a_7=0\), so the sum is (20). This does not match the options.

Step 3

Exam Tip

\(a_3=20\) और \(a_7=0\), इसलिए योग (20) है। यह विकल्पों से मेल नहीं खाता।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=30\) और (d=-5) है, तो \(a_3+a_7\) का मान क्या है? / If \(a_1=30\) and (d=-5), what is the value of \(a_3+a_7\)?

Correct Answer: B. (40). Explanation: \(a_3=20\) और \(a_7=0\), इसलिए योग (20) है। यह विकल्पों से मेल नहीं खाता। / \(a_3=20\) and \(a_7=0\), so the sum is (20). This does not match the options.

Which concept should I revise for this Mathematics MCQ?

\(a_3=20\) and \(a_7=0\), so the sum is (20). This does not match the options.

What exam hint can help solve this Mathematics question?

\(a_3=20\) और \(a_7=0\), इसलिए योग (20) है। यह विकल्पों से मेल नहीं खाता।