Expert Mathematics Arithmetic Progressions (AP) Class 10 Level 71

एक फंड में पहले सप्ताह (450) रुपये जमा हुए और हर अगले सप्ताह (60) रुपये अधिक जमा हुए। (15) सप्ताहों में कुल कितनी राशि जमा होगी?

A fund receives (450) rupees in the first week and (60) rupees more each next week. What is the total amount in (15) weeks?

Explanation opens after your attempt
Correct Answer

C. (13050)

Step 1

Concept

The deposits are \(450,510,570,\ldots\) and \(S_{15}=13050\). Exam tip: treat weekly deposits as AP terms.

Step 2

Why this answer is correct

The correct answer is C. (13050). The deposits are \(450,510,570,\ldots\) and \(S_{15}=13050\). Exam tip: treat weekly deposits as AP terms.

Step 3

Exam Tip

जमा राशि \(450,510,570,\ldots\) है और \(S_{15}=13050\)। परीक्षा में साप्ताहिक जमा को ए.पी. के पद मानें।

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Mathematics Answer, Explanation and Revision Hints

एक फंड में पहले सप्ताह (450) रुपये जमा हुए और हर अगले सप्ताह (60) रुपये अधिक जमा हुए। (15) सप्ताहों में कुल कितनी राशि जमा होगी? / A fund receives (450) rupees in the first week and (60) rupees more each next week. What is the total amount in (15) weeks?

Correct Answer: C. (13050). Explanation: जमा राशि \(450,510,570,\ldots\) है और \(S_{15}=13050\)। परीक्षा में साप्ताहिक जमा को ए.पी. के पद मानें। / The deposits are \(450,510,570,\ldots\) and \(S_{15}=13050\). Exam tip: treat weekly deposits as AP terms.

Which concept should I revise for this Mathematics MCQ?

The deposits are \(450,510,570,\ldots\) and \(S_{15}=13050\). Exam tip: treat weekly deposits as AP terms.

What exam hint can help solve this Mathematics question?

जमा राशि \(450,510,570,\ldots\) है और \(S_{15}=13050\)। परीक्षा में साप्ताहिक जमा को ए.पी. के पद मानें।

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