गुणोत्तर श्रेढ़ी \(5,15,45,135,\ldots\) के पहले (4) पदों का योग क्या है?

What is the sum of the first (4) terms of the geometric progression \(5,15,45,135,\ldots\)?

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Correct Answer

C. (200)

Step 1

Concept

The sum is (5+15+45+135=200). For a small number of terms direct addition is safe.

Step 2

Why this answer is correct

The correct answer is C. (200). The sum is (5+15+45+135=200). For a small number of terms direct addition is safe.

Step 3

Exam Tip

योग (5+15+45+135=200) है। कम पद हों तो सीधे जोड़ना सुरक्षित है।

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Mathematics Answer, Explanation and Revision Hints

गुणोत्तर श्रेढ़ी \(5,15,45,135,\ldots\) के पहले (4) पदों का योग क्या है? / What is the sum of the first (4) terms of the geometric progression \(5,15,45,135,\ldots\)?

Correct Answer: C. (200). Explanation: योग (5+15+45+135=200) है। कम पद हों तो सीधे जोड़ना सुरक्षित है। / The sum is (5+15+45+135=200). For a small number of terms direct addition is safe.

Which concept should I revise for this Mathematics MCQ?

The sum is (5+15+45+135=200). For a small number of terms direct addition is safe.

What exam hint can help solve this Mathematics question?

योग (5+15+45+135=200) है। कम पद हों तो सीधे जोड़ना सुरक्षित है।