Hard Mathematics Sequences and Progressions Class 9 Level 49

अनुक्रम \(8,12,16,20,\ldots\) में (50) के बारे में सही कथन कौन-सा है?

Which statement about (50) is correct for the sequence \(8,12,16,20,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (50) इस अनुक्रम का पद नहीं है(50) is not a term of this sequence

Step 1

Concept

The general term is \(a_n=4n+4\), and (4n+4=50) gives \(n=\frac{23}{2}\). If the position is not a natural number, the given number is not a term.

Step 2

Why this answer is correct

The correct answer is C. (50) इस अनुक्रम का पद नहीं है / (50) is not a term of this sequence. The general term is \(a_n=4n+4\), and (4n+4=50) gives \(n=\frac{23}{2}\). If the position is not a natural number, the given number is not a term.

Step 3

Exam Tip

सामान्य पद \(a_n=4n+4\) है और (4n+4=50) से \(n=\frac{23}{2}\) मिलता है। पद-संख्या प्राकृतिक संख्या न हो तो दिया पद अनुक्रम में नहीं होगा।

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FAQs

Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(8,12,16,20,\ldots\) में (50) के बारे में सही कथन कौन-सा है? / Which statement about (50) is correct for the sequence \(8,12,16,20,\ldots\)?

Correct Answer: C. (50) इस अनुक्रम का पद नहीं है / (50) is not a term of this sequence. Explanation: सामान्य पद \(a_n=4n+4\) है और (4n+4=50) से \(n=\frac{23}{2}\) मिलता है। पद-संख्या प्राकृतिक संख्या न हो तो दिया पद अनुक्रम में नहीं होगा। / The general term is \(a_n=4n+4\), and (4n+4=50) gives \(n=\frac{23}{2}\). If the position is not a natural number, the given number is not a term.

Which concept should I revise for this Mathematics MCQ?

The general term is \(a_n=4n+4\), and (4n+4=50) gives \(n=\frac{23}{2}\). If the position is not a natural number, the given number is not a term.

What exam hint can help solve this Mathematics question?

सामान्य पद \(a_n=4n+4\) है और (4n+4=50) से \(n=\frac{23}{2}\) मिलता है। पद-संख्या प्राकृतिक संख्या न हो तो दिया पद अनुक्रम में नहीं होगा।

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