समानांतर श्रेढ़ी \(2,7,12,17,\ldots\) के पहले (5) पदों का योग क्या है?

What is the sum of the first (5) terms of the arithmetic progression \(2,7,12,17,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (60)

Step 1

Concept

The first (5) terms are (2,7,12,17,22), and their sum is (60). For small (n), writing and adding terms is quick.

Step 2

Why this answer is correct

The correct answer is B. (60). The first (5) terms are (2,7,12,17,22), and their sum is (60). For small (n), writing and adding terms is quick.

Step 3

Exam Tip

पहले (5) पद (2,7,12,17,22) हैं और योग (60) है। छोटे (n) में पद लिखकर जोड़ना तेज होता है।

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Mathematics Answer, Explanation and Revision Hints

समानांतर श्रेढ़ी \(2,7,12,17,\ldots\) के पहले (5) पदों का योग क्या है? / What is the sum of the first (5) terms of the arithmetic progression \(2,7,12,17,\ldots\)?

Correct Answer: B. (60). Explanation: पहले (5) पद (2,7,12,17,22) हैं और योग (60) है। छोटे (n) में पद लिखकर जोड़ना तेज होता है। / The first (5) terms are (2,7,12,17,22), and their sum is (60). For small (n), writing and adding terms is quick.

Which concept should I revise for this Mathematics MCQ?

The first (5) terms are (2,7,12,17,22), and their sum is (60). For small (n), writing and adding terms is quick.

What exam hint can help solve this Mathematics question?

पहले (5) पद (2,7,12,17,22) हैं और योग (60) है। छोटे (n) में पद लिखकर जोड़ना तेज होता है।