यदि गुणोत्तर श्रेढ़ी में \(a_2=18\) और (r=2) है, तो \(a_5\) क्या होगा?

If a geometric progression has \(a_2=18\) and (r=2), what will \(a_5\) be?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (144)

Step 1

Concept

\(a_5=a_2r^3=18\cdot2^3=144\). To move forward from a given term, use the correct power of the ratio.

Step 2

Why this answer is correct

The correct answer is C. (144). \(a_5=a_2r^3=18\cdot2^3=144\). To move forward from a given term, use the correct power of the ratio.

Step 3

Exam Tip

\(a_5=a_2r^3=18\cdot2^3=144\)। दिए हुए पद से आगे जाने के लिए अनुपात की सही घात लगाएं।

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यदि गुणोत्तर श्रेढ़ी में \(a_2=18\) और (r=2) है, तो \(a_5\) क्या होगा? / If a geometric progression has \(a_2=18\) and (r=2), what will \(a_5\) be?

Correct Answer: C. (144). Explanation: \(a_5=a_2r^3=18\cdot2^3=144\)। दिए हुए पद से आगे जाने के लिए अनुपात की सही घात लगाएं। / \(a_5=a_2r^3=18\cdot2^3=144\). To move forward from a given term, use the correct power of the ratio.

Which concept should I revise for this Mathematics MCQ?

\(a_5=a_2r^3=18\cdot2^3=144\). To move forward from a given term, use the correct power of the ratio.

What exam hint can help solve this Mathematics question?

\(a_5=a_2r^3=18\cdot2^3=144\)। दिए हुए पद से आगे जाने के लिए अनुपात की सही घात लगाएं।