गुणोत्तर श्रेढ़ी \(5,25,125,\ldots\) में \(a_4\) क्या होगा?

In the geometric progression \(5,25,125,\ldots\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (625)

Step 1

Concept

The common ratio is (5), so \(a_4=5\cdot5^3=625\). For the fourth term the ratio is used (3) times.

Step 2

Why this answer is correct

The correct answer is C. (625). The common ratio is (5), so \(a_4=5\cdot5^3=625\). For the fourth term the ratio is used (3) times.

Step 3

Exam Tip

सार्व अनुपात (5) है, इसलिए \(a_4=5\cdot5^3=625\)। (4)वें पद के लिए (3) बार अनुपात लगता है।

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Mathematics Answer, Explanation and Revision Hints

गुणोत्तर श्रेढ़ी \(5,25,125,\ldots\) में \(a_4\) क्या होगा? / In the geometric progression \(5,25,125,\ldots\), what is \(a_4\)?

Correct Answer: C. (625). Explanation: सार्व अनुपात (5) है, इसलिए \(a_4=5\cdot5^3=625\)। (4)वें पद के लिए (3) बार अनुपात लगता है। / The common ratio is (5), so \(a_4=5\cdot5^3=625\). For the fourth term the ratio is used (3) times.

Which concept should I revise for this Mathematics MCQ?

The common ratio is (5), so \(a_4=5\cdot5^3=625\). For the fourth term the ratio is used (3) times.

What exam hint can help solve this Mathematics question?

सार्व अनुपात (5) है, इसलिए \(a_4=5\cdot5^3=625\)। (4)वें पद के लिए (3) बार अनुपात लगता है।