गुणोत्तर श्रेणी \(3,18,108,648,\ldots\) के पहले (4) पदों का योग क्या है?

What is the sum of the first (4) terms of the geometric progression \(3,18,108,648,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (777)

Step 1

Concept

The sum of the first four terms is (3+18+108+648=777). In exams, direct addition is safe when the number of terms is small.

Step 2

Why this answer is correct

The correct answer is A. (777). The sum of the first four terms is (3+18+108+648=777). In exams, direct addition is safe when the number of terms is small.

Step 3

Exam Tip

पहले चार पदों का योग (3+18+108+648=777) है। परीक्षा में पद कम हों तो सीधे जोड़ना सुरक्षित है।

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Mathematics Answer, Explanation and Revision Hints

गुणोत्तर श्रेणी \(3,18,108,648,\ldots\) के पहले (4) पदों का योग क्या है? / What is the sum of the first (4) terms of the geometric progression \(3,18,108,648,\ldots\)?

Correct Answer: A. (777). Explanation: पहले चार पदों का योग (3+18+108+648=777) है। परीक्षा में पद कम हों तो सीधे जोड़ना सुरक्षित है। / The sum of the first four terms is (3+18+108+648=777). In exams, direct addition is safe when the number of terms is small.

Which concept should I revise for this Mathematics MCQ?

The sum of the first four terms is (3+18+108+648=777). In exams, direct addition is safe when the number of terms is small.

What exam hint can help solve this Mathematics question?

पहले चार पदों का योग (3+18+108+648=777) है। परीक्षा में पद कम हों तो सीधे जोड़ना सुरक्षित है।