अनुक्रम \(12,17,22,27,\ldots\) में (57) कौन-सा पद है?

In the sequence \(12,17,22,27,\ldots\), which term is (57)?

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Correct Answer

C. (10)वाँ(10)th

Step 1

Concept

(a_n=12+(n-1)5=5n+7), so (5n+7=57) gives (n=10). Set the rule equal to the given term to find its position.

Step 2

Why this answer is correct

The correct answer is C. (10)वाँ / (10)th. (a_n=12+(n-1)5=5n+7), so (5n+7=57) gives (n=10). Set the rule equal to the given term to find its position.

Step 3

Exam Tip

(a_n=12+(n-1)5=5n+7), इसलिए (5n+7=57) से (n=10)। दिए पद की स्थिति के लिए नियम को बराबर रखें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(12,17,22,27,\ldots\) में (57) कौन-सा पद है? / In the sequence \(12,17,22,27,\ldots\), which term is (57)?

Correct Answer: C. (10)वाँ / (10)th. Explanation: (a_n=12+(n-1)5=5n+7), इसलिए (5n+7=57) से (n=10)। दिए पद की स्थिति के लिए नियम को बराबर रखें। / (a_n=12+(n-1)5=5n+7), so (5n+7=57) gives (n=10). Set the rule equal to the given term to find its position.

Which concept should I revise for this Mathematics MCQ?

(a_n=12+(n-1)5=5n+7), so (5n+7=57) gives (n=10). Set the rule equal to the given term to find its position.

What exam hint can help solve this Mathematics question?

(a_n=12+(n-1)5=5n+7), इसलिए (5n+7=57) से (n=10)। दिए पद की स्थिति के लिए नियम को बराबर रखें।