समांतर श्रेढ़ी \(2,6,10,\ldots\) के पहले (15) पदों का योग कितना है?

What is the sum of the first (15) terms of the arithmetic progression \(2,6,10,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (450)

Step 1

Concept

Here (a=2), (d=4), and (n=15), so \(S_{15}=450\). Do not forget to use (n-1) in the formula.

Step 2

Why this answer is correct

The correct answer is C. (450). Here (a=2), (d=4), and (n=15), so \(S_{15}=450\). Do not forget to use (n-1) in the formula.

Step 3

Exam Tip

यहाँ (a=2), (d=4), (n=15) है, इसलिए \(S_{15}=450\)। सूत्र में (n-1) लिखना न भूलें।

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Mathematics Answer, Explanation and Revision Hints

समांतर श्रेढ़ी \(2,6,10,\ldots\) के पहले (15) पदों का योग कितना है? / What is the sum of the first (15) terms of the arithmetic progression \(2,6,10,\ldots\)?

Correct Answer: C. (450). Explanation: यहाँ (a=2), (d=4), (n=15) है, इसलिए \(S_{15}=450\)। सूत्र में (n-1) लिखना न भूलें। / Here (a=2), (d=4), and (n=15), so \(S_{15}=450\). Do not forget to use (n-1) in the formula.

Which concept should I revise for this Mathematics MCQ?

Here (a=2), (d=4), and (n=15), so \(S_{15}=450\). Do not forget to use (n-1) in the formula.

What exam hint can help solve this Mathematics question?

यहाँ (a=2), (d=4), (n=15) है, इसलिए \(S_{15}=450\)। सूत्र में (n-1) लिखना न भूलें।