यदि \(a_1=18\) और (d=-4) है, तो पहले (8) पदों में कितने धनात्मक पद होंगे?

If \(a_1=18\) and (d=-4), how many positive terms are there among the first (8) terms?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (5)

Step 1

Concept

The terms are \(18,14,10,6,2,-2,\ldots\), so there are (5) positive terms. Do not count zero or negative terms as positive.

Step 2

Why this answer is correct

The correct answer is B. (5). The terms are \(18,14,10,6,2,-2,\ldots\), so there are (5) positive terms. Do not count zero or negative terms as positive.

Step 3

Exam Tip

पद \(18,14,10,6,2,-2,\ldots\) हैं, इसलिए धनात्मक पद (5) हैं। शून्य और ऋणात्मक पदों को धनात्मक न मानें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=18\) और (d=-4) है, तो पहले (8) पदों में कितने धनात्मक पद होंगे? / If \(a_1=18\) and (d=-4), how many positive terms are there among the first (8) terms?

Correct Answer: B. (5). Explanation: पद \(18,14,10,6,2,-2,\ldots\) हैं, इसलिए धनात्मक पद (5) हैं। शून्य और ऋणात्मक पदों को धनात्मक न मानें। / The terms are \(18,14,10,6,2,-2,\ldots\), so there are (5) positive terms. Do not count zero or negative terms as positive.

Which concept should I revise for this Mathematics MCQ?

The terms are \(18,14,10,6,2,-2,\ldots\), so there are (5) positive terms. Do not count zero or negative terms as positive.

What exam hint can help solve this Mathematics question?

पद \(18,14,10,6,2,-2,\ldots\) हैं, इसलिए धनात्मक पद (5) हैं। शून्य और ऋणात्मक पदों को धनात्मक न मानें।