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Question Easy Mathematics Arithmetic Progressions (AP) Word problems based on APs Class 10 Level 70

एक परीक्षा केंद्र में पहली मेज पर (2) परीक्षार्थी बैठते हैं और हर अगली मेज पर (2) परीक्षार्थी अधिक बैठते हैं। (10) मेजों पर कुल कितने परीक्षार्थी बैठेंगे?

In an exam centre, (2) candidates sit at the first desk and (2) more candidates sit at each next desk. How many candidates sit at (10) desks?

Explanation opens after your attempt
Correct Answer

B. (110)

Step 1

Concept

The number of candidates is \(2,4,6,\ldots\). \(S_{10}=110\).

Step 2

Why this answer is correct

The correct answer is B. (110). The number of candidates is \(2,4,6,\ldots\). \(S_{10}=110\).

Step 3

Exam Tip

परीक्षार्थियों की संख्या \(2,4,6,\ldots\) है। \(S_{10}=110\)।

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