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?
#ap
#word-problem
#fund
#total
A (12600)
B (12825)
C (13050)
D (13275)
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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एक फंड में पहले महीने (200) रुपये जमा हुए और हर अगले महीने (50) रुपये अधिक जमा हुए। कुल (4250) रुपये जमा होने में कितने महीने लगेंगे?
In a fund (200) rupees are deposited in the first month and (50) rupees more each next month. How many months are needed to collect (4250) rupees?
#ap
#word-problem
#fund
#target-month
A (8)
B (9)
C (10)
D (11)
Explanation opens after your attempt
Step 1
Concept
The deposits are \(200,250,300,\ldots\) and \(S_n=4250\) gives (n=10). Exam tip: form an \(S_n\) equation for the target amount.
Step 2
Why this answer is correct
The correct answer is C. (10). The deposits are \(200,250,300,\ldots\) and \(S_n=4250\) gives (n=10). Exam tip: form an \(S_n\) equation for the target amount.
Step 3
Exam Tip
जमा राशि \(200,250,300,\ldots\) है और \(S_n=4250\) से (n=10)। परीक्षा में लक्ष्य राशि के लिए \(S_n\) का समीकरण बनाएं।
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एक फंड में पहले सप्ताह (300) रुपये जमा हुए और हर अगले सप्ताह (45) रुपये अधिक जमा हुए। (16) सप्ताहों में कुल कितनी राशि जमा होगी?
A fund receives (300) rupees in the first week and (45) rupees more each next week. What is the total amount in (16) weeks?
#ap
#word-problem
#fund
#total
A (9900)
B (10200)
C (10500)
D (10800)
Explanation opens after your attempt
Correct Answer
B. (10200)
Step 1
Concept
The deposits are \(300,345,390,\ldots\) and \(S_{16}=10200\). Exam tip: treat weekly deposits as AP terms.
Step 2
Why this answer is correct
The correct answer is B. (10200). The deposits are \(300,345,390,\ldots\) and \(S_{16}=10200\). Exam tip: treat weekly deposits as AP terms.
Step 3
Exam Tip
जमा राशि \(300,345,390,\ldots\) है और \(S_{16}=10200\)। परीक्षा में साप्ताहिक जमा को ए.पी. के पद मानें।
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एक फंड में पहले सप्ताह (250) रुपये जमा हुए और हर अगले सप्ताह (40) रुपये अधिक जमा हुए। (14) सप्ताहों में कुल कितनी राशि जमा होगी?
A fund receives (250) rupees in the first week and (40) rupees more each next week. What is the total amount in (14) weeks?
#ap
#word-problem
#fund
#total
A (6940)
B (7040)
C (7140)
D (7240)
Explanation opens after your attempt
Step 1
Concept
The deposits are \(250,290,330,\ldots\) and \(S_{14}=7140\). Exam tip: treat weekly deposits as AP terms.
Step 2
Why this answer is correct
The correct answer is C. (7140). The deposits are \(250,290,330,\ldots\) and \(S_{14}=7140\). Exam tip: treat weekly deposits as AP terms.
Step 3
Exam Tip
जमा राशि \(250,290,330,\ldots\) है और \(S_{14}=7140\)। परीक्षा में साप्ताहिक जमा को ए.पी. के पद मानें।
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एक फंड में (10) सप्ताहों में कुल (3250) रुपये जमा हुए। यदि हर सप्ताह जमा राशि (30) रुपये बढ़ती है तो पहले सप्ताह कितनी राशि जमा हुई?
A fund receives (3250) rupees in (10) weeks. If the deposit increases by (30) rupees every week then how much was deposited in the first week?
#ap
#word-problem
#fund
A (180)
B (190)
C (200)
D (210)
Explanation opens after your attempt
Step 1
Concept
Using \(S_{10}=3250\) and (d=30) gives (a=190). Exam tip: the first term can be found from total sum and difference.
Step 2
Why this answer is correct
The correct answer is B. (190). Using \(S_{10}=3250\) and (d=30) gives (a=190). Exam tip: the first term can be found from total sum and difference.
Step 3
Exam Tip
\(S_{10}=3250\) और (d=30) रखने पर (a=190) मिलता है। परीक्षा में कुल योग और अंतर से प्रथम पद निकाला जा सकता है।
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एक फंड में (12) सप्ताहों में कुल (3000) रुपये जमा हुए। यदि हर सप्ताह जमा राशि (20) रुपये बढ़ती है तो पहले सप्ताह कितनी राशि जमा हुई?
A fund receives (3000) rupees in (12) weeks. If the deposit increases by (20) rupees every week then how much was deposited in the first week?
#ap
#word-problem
#fund
A (130)
B (140)
C (150)
D (160)
Explanation opens after your attempt
Step 1
Concept
Using \(S_{12}=3000\) and (d=20) gives (a=140). Exam tip: the first term can be found from total sum and difference.
Step 2
Why this answer is correct
The correct answer is B. (140). Using \(S_{12}=3000\) and (d=20) gives (a=140). Exam tip: the first term can be found from total sum and difference.
Step 3
Exam Tip
\(S_{12}=3000\) और (d=20) रखने पर (a=140) मिलता है। परीक्षा में कुल योग और अंतर से प्रथम पद निकाला जा सकता है।
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एक फंड में (15) सप्ताहों में कुल (3150) रुपये जमा हुए। यदि हर सप्ताह जमा राशि (10) रुपये बढ़ती है तो पहले सप्ताह कितनी राशि जमा हुई?
A fund receives (3150) rupees in (15) weeks. If the deposit increases by (10) rupees every week then how much was deposited in the first week?
#ap
#word-problem
#fund
A (120)
B (130)
C (140)
D (150)
Explanation opens after your attempt
Step 1
Concept
Using \(S_{15}=3150\) and (d=10) gives (a=140). Exam tip: the first term can be found from total sum and difference.
Step 2
Why this answer is correct
The correct answer is C. (140). Using \(S_{15}=3150\) and (d=10) gives (a=140). Exam tip: the first term can be found from total sum and difference.
Step 3
Exam Tip
\(S_{15}=3150\) और (d=10) रखने पर (a=140) मिलता है। परीक्षा में कुल योग और अंतर से प्रथम पद निकाला जा सकता है।
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