यदि \(a_n=31-4n\) है, तो पहला ऋणात्मक पद कौन-सा है?

If \(a_n=31-4n\), which is the first negative term?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (8)वाँ(8)th

Step 1

Concept

\(a_7=3\) and \(a_8=-1\), so the first negative term is the (8)th. Look for the first term below zero.

Step 2

Why this answer is correct

The correct answer is C. (8)वाँ / (8)th. \(a_7=3\) and \(a_8=-1\), so the first negative term is the (8)th. Look for the first term below zero.

Step 3

Exam Tip

\(a_7=3\) और \(a_8=-1\), इसलिए पहला ऋणात्मक पद (8)वाँ है। शून्य से नीचे जाने वाला पहला पद देखें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=31-4n\) है, तो पहला ऋणात्मक पद कौन-सा है? / If \(a_n=31-4n\), which is the first negative term?

Correct Answer: C. (8)वाँ / (8)th. Explanation: \(a_7=3\) और \(a_8=-1\), इसलिए पहला ऋणात्मक पद (8)वाँ है। शून्य से नीचे जाने वाला पहला पद देखें। / \(a_7=3\) and \(a_8=-1\), so the first negative term is the (8)th. Look for the first term below zero.

Which concept should I revise for this Mathematics MCQ?

\(a_7=3\) and \(a_8=-1\), so the first negative term is the (8)th. Look for the first term below zero.

What exam hint can help solve this Mathematics question?

\(a_7=3\) और \(a_8=-1\), इसलिए पहला ऋणात्मक पद (8)वाँ है। शून्य से नीचे जाने वाला पहला पद देखें।