अनुक्रम \(42,37,32,27,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(42,37,32,27,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. \(a_n=47-5n\)

Step 1

Concept

At (n=1) it gives (42), and at (n=2) it gives (37), so \(a_n=47-5n\). In exams, always match the first term in a decreasing sequence.

Step 2

Why this answer is correct

The correct answer is B. \(a_n=47-5n\). At (n=1) it gives (42), and at (n=2) it gives (37), so \(a_n=47-5n\). In exams, always match the first term in a decreasing sequence.

Step 3

Exam Tip

(n=1) पर (42) और (n=2) पर (37) मिलता है, इसलिए \(a_n=47-5n\) है। परीक्षा में घटते अनुक्रम में पहला पद जरूर मिलाएँ।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(42,37,32,27,\ldots\) का सामान्य पद क्या है? / What is the general term of the sequence \(42,37,32,27,\ldots\)?

Correct Answer: B. \(a_n=47-5n\). Explanation: (n=1) पर (42) और (n=2) पर (37) मिलता है, इसलिए \(a_n=47-5n\) है। परीक्षा में घटते अनुक्रम में पहला पद जरूर मिलाएँ। / At (n=1) it gives (42), and at (n=2) it gives (37), so \(a_n=47-5n\). In exams, always match the first term in a decreasing sequence.

Which concept should I revise for this Mathematics MCQ?

At (n=1) it gives (42), and at (n=2) it gives (37), so \(a_n=47-5n\). In exams, always match the first term in a decreasing sequence.

What exam hint can help solve this Mathematics question?

(n=1) पर (42) और (n=2) पर (37) मिलता है, इसलिए \(a_n=47-5n\) है। परीक्षा में घटते अनुक्रम में पहला पद जरूर मिलाएँ।