गुणोत्तर श्रेढ़ी \(4,12,36,108,\ldots\) में \(a_2+a_4\) कितना है?

In the geometric progression \(4,12,36,108,\ldots\), what is \(a_2+a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (120)

Step 1

Concept

\(a_2=12\) and \(a_4=108\), so the sum is (120). Find both terms separately and then add.

Step 2

Why this answer is correct

The correct answer is C. (120). \(a_2=12\) and \(a_4=108\), so the sum is (120). Find both terms separately and then add.

Step 3

Exam Tip

\(a_2=12\) और \(a_4=108\), इसलिए योग (120) है। दोनों पद अलग निकालकर जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

गुणोत्तर श्रेढ़ी \(4,12,36,108,\ldots\) में \(a_2+a_4\) कितना है? / In the geometric progression \(4,12,36,108,\ldots\), what is \(a_2+a_4\)?

Correct Answer: C. (120). Explanation: \(a_2=12\) और \(a_4=108\), इसलिए योग (120) है। दोनों पद अलग निकालकर जोड़ें। / \(a_2=12\) and \(a_4=108\), so the sum is (120). Find both terms separately and then add.

Which concept should I revise for this Mathematics MCQ?

\(a_2=12\) and \(a_4=108\), so the sum is (120). Find both terms separately and then add.

What exam hint can help solve this Mathematics question?

\(a_2=12\) और \(a_4=108\), इसलिए योग (120) है। दोनों पद अलग निकालकर जोड़ें।