यदि \(a_1=12\) और (d=-3) है, तो पहले (8) पदों में कितने धनात्मक पद होंगे?

If \(a_1=12\) and (d=-3), how many positive terms are there among the first (8) terms?

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Correct Answer

B. (4)

Step 1

Concept

The terms are \(12,9,6,3,0,-3,\ldots\), so there are (4) positive terms. Zero is not counted as positive.

Step 2

Why this answer is correct

The correct answer is B. (4). The terms are \(12,9,6,3,0,-3,\ldots\), so there are (4) positive terms. Zero is not counted as positive.

Step 3

Exam Tip

पद \(12,9,6,3,0,-3,\ldots\) हैं, इसलिए धनात्मक पद (4) हैं। शून्य को धनात्मक नहीं मानते।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=12\) और (d=-3) है, तो पहले (8) पदों में कितने धनात्मक पद होंगे? / If \(a_1=12\) and (d=-3), how many positive terms are there among the first (8) terms?

Correct Answer: B. (4). Explanation: पद \(12,9,6,3,0,-3,\ldots\) हैं, इसलिए धनात्मक पद (4) हैं। शून्य को धनात्मक नहीं मानते। / The terms are \(12,9,6,3,0,-3,\ldots\), so there are (4) positive terms. Zero is not counted as positive.

Which concept should I revise for this Mathematics MCQ?

The terms are \(12,9,6,3,0,-3,\ldots\), so there are (4) positive terms. Zero is not counted as positive.

What exam hint can help solve this Mathematics question?

पद \(12,9,6,3,0,-3,\ldots\) हैं, इसलिए धनात्मक पद (4) हैं। शून्य को धनात्मक नहीं मानते।