किस (x) के लिए (12,x,75) धनात्मक गुणोत्तर श्रेढ़ी के लगातार पद होंगे?

For which (x) will (12,x,75) be consecutive terms of a positive geometric progression?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (30)

Step 1

Concept

\(x^2=12\cdot75=900\), so positive (x=30). The middle term is the geometric mean.

Step 2

Why this answer is correct

The correct answer is B. (30). \(x^2=12\cdot75=900\), so positive (x=30). The middle term is the geometric mean.

Step 3

Exam Tip

\(x^2=12\cdot75=900\), इसलिए धनात्मक (x=30)। मध्य पद ज्यामितीय माध्य होता है।

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Mathematics Answer, Explanation and Revision Hints

किस (x) के लिए (12,x,75) धनात्मक गुणोत्तर श्रेढ़ी के लगातार पद होंगे? / For which (x) will (12,x,75) be consecutive terms of a positive geometric progression?

Correct Answer: B. (30). Explanation: \(x^2=12\cdot75=900\), इसलिए धनात्मक (x=30)। मध्य पद ज्यामितीय माध्य होता है। / \(x^2=12\cdot75=900\), so positive (x=30). The middle term is the geometric mean.

Which concept should I revise for this Mathematics MCQ?

\(x^2=12\cdot75=900\), so positive (x=30). The middle term is the geometric mean.

What exam hint can help solve this Mathematics question?

\(x^2=12\cdot75=900\), इसलिए धनात्मक (x=30)। मध्य पद ज्यामितीय माध्य होता है।