अनुक्रम \(3,12,21,30,\ldots\) में (111) कौन-सा पद है?

In the sequence \(3,12,21,30,\ldots\) which term is (111)?

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Correct Answer

B. तेरहवाँ पद(13)th term

Step 1

Concept

Its rule is \(a_n=9n-6\) and (9n-6=111) gives (n=13). In exams equate the given term to the general term.

Step 2

Why this answer is correct

The correct answer is B. तेरहवाँ पद / (13)th term. Its rule is \(a_n=9n-6\) and (9n-6=111) gives (n=13). In exams equate the given term to the general term.

Step 3

Exam Tip

इसका नियम \(a_n=9n-6\) है और (9n-6=111) से (n=13) है। परीक्षा में दिए पद को सामान्य पद के बराबर रखें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(3,12,21,30,\ldots\) में (111) कौन-सा पद है? / In the sequence \(3,12,21,30,\ldots\) which term is (111)?

Correct Answer: B. तेरहवाँ पद / (13)th term. Explanation: इसका नियम \(a_n=9n-6\) है और (9n-6=111) से (n=13) है। परीक्षा में दिए पद को सामान्य पद के बराबर रखें। / Its rule is \(a_n=9n-6\) and (9n-6=111) gives (n=13). In exams equate the given term to the general term.

Which concept should I revise for this Mathematics MCQ?

Its rule is \(a_n=9n-6\) and (9n-6=111) gives (n=13). In exams equate the given term to the general term.

What exam hint can help solve this Mathematics question?

इसका नियम \(a_n=9n-6\) है और (9n-6=111) से (n=13) है। परीक्षा में दिए पद को सामान्य पद के बराबर रखें।