यदि \(a_3=12\) और \(a_6=96\) है, तथा अनुपात धनात्मक है, तो \(a_8\) क्या होगा?

If \(a_3=12\) and \(a_6=96\), and the ratio is positive, what will \(a_8\) be?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (384)

Step 1

Concept

\(a_6=a_3r^3\), so (r=2), hence \(a_8=96\cdot2^2=384\). First find the ratio and then move forward.

Step 2

Why this answer is correct

The correct answer is C. (384). \(a_6=a_3r^3\), so (r=2), hence \(a_8=96\cdot2^2=384\). First find the ratio and then move forward.

Step 3

Exam Tip

\(a_6=a_3r^3\), इसलिए (r=2), अतः \(a_8=96\cdot2^2=384\)। पहले अनुपात निकालकर आगे बढ़ें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_3=12\) और \(a_6=96\) है, तथा अनुपात धनात्मक है, तो \(a_8\) क्या होगा? / If \(a_3=12\) and \(a_6=96\), and the ratio is positive, what will \(a_8\) be?

Correct Answer: C. (384). Explanation: \(a_6=a_3r^3\), इसलिए (r=2), अतः \(a_8=96\cdot2^2=384\)। पहले अनुपात निकालकर आगे बढ़ें। / \(a_6=a_3r^3\), so (r=2), hence \(a_8=96\cdot2^2=384\). First find the ratio and then move forward.

Which concept should I revise for this Mathematics MCQ?

\(a_6=a_3r^3\), so (r=2), hence \(a_8=96\cdot2^2=384\). First find the ratio and then move forward.

What exam hint can help solve this Mathematics question?

\(a_6=a_3r^3\), इसलिए (r=2), अतः \(a_8=96\cdot2^2=384\)। पहले अनुपात निकालकर आगे बढ़ें।