गुणोत्तर श्रेढ़ी में \(a_3=24\) और \(a_6=648\) है। \(a_4\) का मान क्या होगा?

In a geometric progression, \(a_3=24\) and \(a_6=648\). What is the value of \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (72)

Step 1

Concept

\(a_6=a_3r^3\), so \(648=24r^3\) and (r=3), hence \(a_4=72\). First find the ratio and then form the next term.

Step 2

Why this answer is correct

The correct answer is B. (72). \(a_6=a_3r^3\), so \(648=24r^3\) and (r=3), hence \(a_4=72\). First find the ratio and then form the next term.

Step 3

Exam Tip

\(a_6=a_3r^3\), इसलिए \(648=24r^3\) और (r=3), अतः \(a_4=72\)। पहले अनुपात निकालें फिर अगला पद बनाएं।

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गुणोत्तर श्रेढ़ी में \(a_3=24\) और \(a_6=648\) है। \(a_4\) का मान क्या होगा? / In a geometric progression, \(a_3=24\) and \(a_6=648\). What is the value of \(a_4\)?

Correct Answer: B. (72). Explanation: \(a_6=a_3r^3\), इसलिए \(648=24r^3\) और (r=3), अतः \(a_4=72\)। पहले अनुपात निकालें फिर अगला पद बनाएं। / \(a_6=a_3r^3\), so \(648=24r^3\) and (r=3), hence \(a_4=72\). First find the ratio and then form the next term.

Which concept should I revise for this Mathematics MCQ?

\(a_6=a_3r^3\), so \(648=24r^3\) and (r=3), hence \(a_4=72\). First find the ratio and then form the next term.

What exam hint can help solve this Mathematics question?

\(a_6=a_3r^3\), इसलिए \(648=24r^3\) और (r=3), अतः \(a_4=72\)। पहले अनुपात निकालें फिर अगला पद बनाएं।