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एक वेबसाइट पर पहले दिन (900) विजिट आए और हर अगले दिन (50) विजिट कम हुए। (10) दिनों में कुल कितने विजिट आएंगे?

A website gets (900) visits on the first day and (50) fewer visits each next day. How many visits are received in (10) days?

Explanation opens after your attempt
Correct Answer

C. (6750)

Step 1

Concept

The visits form the decreasing AP \(900,850,800,\ldots\) and \(S_{10}=6750\). Exam tip: keep (d) negative for decreasing numbers.

Step 2

Why this answer is correct

The correct answer is C. (6750). The visits form the decreasing AP \(900,850,800,\ldots\) and \(S_{10}=6750\). Exam tip: keep (d) negative for decreasing numbers.

Step 3

Exam Tip

विजिट \(900,850,800,\ldots\) घटती समान्तर श्रेणी हैं और \(S_{10}=6750\)। परीक्षा में घटती संख्या के लिए (d) ऋणात्मक रखें।

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एक वेबसाइट पर पहले दिन (500) विजिट आए और हर अगले दिन (75) विजिट अधिक आए। (9) दिनों में कुल कितने विजिट आएंगे?

A website gets (500) visits on the first day and (75) more visits each next day. How many visits are received in (9) days?

Explanation opens after your attempt
Correct Answer

A. (7200)

Step 1

Concept

The visits form the AP \(500,575,650,\ldots\) and \(S_9=7200\). Exam tip: add daily visits as terms.

Step 2

Why this answer is correct

The correct answer is A. (7200). The visits form the AP \(500,575,650,\ldots\) and \(S_9=7200\). Exam tip: add daily visits as terms.

Step 3

Exam Tip

विजिट \(500,575,650,\ldots\) समान्तर श्रेणी हैं और \(S_9=7200\)। परीक्षा में दैनिक विजिट को पदों की तरह जोड़ें।

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