Hard Mathematics Arithmetic Progressions (AP) Class 10 Level 66

यदि समान्तर श्रेणी में \(a_5+a_{17}=132\) है तो \(a_{11}\) का मान क्या होगा?

If in an AP \(a_5+a_{17}=132\), what is the value of \(a_{11}\)?

Explanation opens after your attempt
Correct Answer

C. (66)

Step 1

Concept

\(a_{11}\) is the middle term between \(a_5\) and \(a_{17}\). So \(a_{11}=\frac{132}{2}=66\).

Step 2

Why this answer is correct

The correct answer is C. (66). \(a_{11}\) is the middle term between \(a_5\) and \(a_{17}\). So \(a_{11}=\frac{132}{2}=66\).

Step 3

Exam Tip

\(a_5\) और \(a_{17}\) के बीच का पद \(a_{11}\) है। इसलिए \(a_{11}=\frac{132}{2}=66\)।

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Mathematics Answer, Explanation and Revision Hints

यदि समान्तर श्रेणी में \(a_5+a_{17}=132\) है तो \(a_{11}\) का मान क्या होगा? / If in an AP \(a_5+a_{17}=132\), what is the value of \(a_{11}\)?

Correct Answer: C. (66). Explanation: \(a_5\) और \(a_{17}\) के बीच का पद \(a_{11}\) है। इसलिए \(a_{11}=\frac{132}{2}=66\)। / \(a_{11}\) is the middle term between \(a_5\) and \(a_{17}\). So \(a_{11}=\frac{132}{2}=66\).

Which concept should I revise for this Mathematics MCQ?

\(a_{11}\) is the middle term between \(a_5\) and \(a_{17}\). So \(a_{11}=\frac{132}{2}=66\).

What exam hint can help solve this Mathematics question?

\(a_5\) और \(a_{17}\) के बीच का पद \(a_{11}\) है। इसलिए \(a_{11}=\frac{132}{2}=66\)।

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