एक सभागार में सीटों की पंक्तियाँ \(9,12,15,\ldots\) के क्रम में हैं। पहले (12) पंक्तियों में कुल कितनी सीटें होंगी?
In an auditorium, rows of seats follow \(9,12,15,\ldots\). How many seats will there be in the first (12) rows?
#word_problem
#seats
#ap_sum
A (296)
B (306)
C (316)
D (326)
Explanation opens after your attempt
Step 1
Concept
Here (a=9), (d=3), and (n=12), so there will be (306) seats. In word problems, convert the pattern into an arithmetic progression.
Step 2
Why this answer is correct
The correct answer is B. (306). Here (a=9), (d=3), and (n=12), so there will be (306) seats. In word problems, convert the pattern into an arithmetic progression.
Step 3
Exam Tip
यहाँ (a=9), (d=3), (n=12) है, इसलिए कुल (306) सीटें होंगी। शब्द-प्रश्न में क्रम को समांतर श्रेणी में बदलें।
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एक पुस्तकालय में पुस्तकों की अलमारियाँ \(12,16,20,\ldots\) पुस्तकों के क्रम में व्यवस्थित हैं। पहले (11) अलमारियों में कुल कितनी पुस्तकें होंगी?
In a library, shelves are arranged with \(12,16,20,\ldots\) books. How many books will there be in the first (11) shelves?
#word_problem
#ap_sum
#library
A (342)
B (352)
C (362)
D (372)
Explanation opens after your attempt
Step 1
Concept
Here (a=12), (d=4), and (n=11), so there will be (352) books. In word problems, treat the given pattern as an arithmetic progression.
Step 2
Why this answer is correct
The correct answer is B. (352). Here (a=12), (d=4), and (n=11), so there will be (352) books. In word problems, treat the given pattern as an arithmetic progression.
Step 3
Exam Tip
यहाँ (a=12), (d=4), (n=11) है, इसलिए कुल (352) पुस्तकें होंगी। शब्द-प्रश्न में दिए क्रम को समांतर श्रेढ़ी मानकर हल करें।
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एक सीढ़ी में ईंटों की संख्या \(3,6,9,\ldots\) है। पहले (12) स्तरों में कुल कितनी ईंटें लगेंगी?
In a staircase, the number of bricks is \(3,6,9,\ldots\). How many bricks will be used in the first (12) levels?
#word_problem
#bricks
#ap_sum
A (216)
B (222)
C (228)
D (234)
Explanation opens after your attempt
Step 1
Concept
This is the sum of the first (12) multiples of (3), so \(3\times78=234\). Treat the number of levels as (n).
Step 2
Why this answer is correct
The correct answer is D. (234). This is the sum of the first (12) multiples of (3), so \(3\times78=234\). Treat the number of levels as (n).
Step 3
Exam Tip
यह (3) के पहले (12) गुणजों का योग है, इसलिए \(3\times78=234\)। स्तरों की संख्या को (n) मानें।
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एक बचत योजना में राशि \(100,150,200,\ldots\) रुपये के रूप में बढ़ती है। पहले (6) महीनों की कुल बचत कितनी होगी?
In a savings plan, the amount increases as \(100,150,200,\ldots\) rupees. What will be the total savings in the first (6) months?
#word_problem
#savings
#ap_sum
A (1300)
B (1350)
C (1400)
D (1450)
Explanation opens after your attempt
Step 1
Concept
Here (a=100), (d=50), and (n=6), so the total saving is (1350) rupees. In money questions, keep the unit in mind.
Step 2
Why this answer is correct
The correct answer is B. (1350). Here (a=100), (d=50), and (n=6), so the total saving is (1350) rupees. In money questions, keep the unit in mind.
Step 3
Exam Tip
यहाँ (a=100), (d=50), (n=6), इसलिए कुल बचत (1350) रुपये है। राशि वाले प्रश्नों में इकाई भी ध्यान रखें।
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एक बगीचे में पौधों की कतारें \(4,8,12,\ldots\) के अनुसार हैं। पहले (9) कतारों में कुल कितने पौधे हैं?
In a garden, rows of plants follow \(4,8,12,\ldots\). How many plants are there in the first (9) rows?
#word_problem
#plants
#ap_sum
A (160)
B (170)
C (180)
D (190)
Explanation opens after your attempt
Step 1
Concept
This is the sum of the first (9) multiples of (4), so there are (180) plants. Even in real situations, write (a), (d), and (n).
Step 2
Why this answer is correct
The correct answer is C. (180). This is the sum of the first (9) multiples of (4), so there are (180) plants. Even in real situations, write (a), (d), and (n).
Step 3
Exam Tip
यहाँ (4) के पहले (9) गुणजों का योग है, इसलिए कुल (180) पौधे हैं। वास्तविक स्थिति में भी (a), (d), (n) लिखें।
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एक छात्र प्रतिदिन \(5,7,9,\ldots\) प्रश्न हल करता है। पहले (12) दिनों में उसने कुल कितने प्रश्न हल किए?
A student solves \(5,7,9,\ldots\) questions per day. How many questions does he solve in the first (12) days?
#word_problem
#student
#ap_sum
A (180)
B (192)
C (204)
D (216)
Explanation opens after your attempt
Step 1
Concept
Here (a=5), (d=2), and (n=12), so (192) questions are solved. Treat days as the number of terms.
Step 2
Why this answer is correct
The correct answer is B. (192). Here (a=5), (d=2), and (n=12), so (192) questions are solved. Treat days as the number of terms.
Step 3
Exam Tip
यहाँ (a=5), (d=2), (n=12), इसलिए कुल (192) प्रश्न हल हुए। दिन और पदों की संख्या को एक जैसा मानें।
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एक पंक्ति में कुर्सियों की संख्या \(8,11,14,\ldots\) के क्रम में बढ़ती है। पहले (10) पंक्तियों में कुल कितनी कुर्सियाँ होंगी?
The number of chairs in rows increases as \(8,11,14,\ldots\). How many chairs will there be in the first (10) rows?
#word_problem
#chairs
#ap_sum
A (205)
B (210)
C (215)
D (220)
Explanation opens after your attempt
Step 1
Concept
This is an arithmetic progression with (a=8), (d=3), and (n=10), so there will be (215) chairs. In word problems, convert the pattern into a progression.
Step 2
Why this answer is correct
The correct answer is C. (215). This is an arithmetic progression with (a=8), (d=3), and (n=10), so there will be (215) chairs. In word problems, convert the pattern into a progression.
Step 3
Exam Tip
यह समांतर श्रेढ़ी है जिसमें (a=8), (d=3), (n=10), इसलिए कुल (215) कुर्सियाँ होंगी। शब्द-प्रश्न में क्रम को श्रेढ़ी में बदलें।
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एक मोबाइल प्लान में पहले महीने शुल्क (₹900) है और हर महीने (₹35) की छूट बढ़ती है। (10)वें महीने का शुल्क क्या होगा?
In a mobile plan, the fee in the first month is (₹900) and the discount increases by (₹35) each month. What is the fee in the (10)th month?
#ap
#word-problem
#decreasing
#nth-term
A (₹550)
B (₹565)
C (₹585)
D (₹600)
Explanation opens after your attempt
Step 1
Concept
The fee is decreasing so (d=-35). (a_{10}=900+9(-35)=585).
Step 2
Why this answer is correct
The correct answer is C. (₹585). The fee is decreasing so (d=-35). (a_{10}=900+9(-35)=585).
Step 3
Exam Tip
शुल्क घट रहा है इसलिए (d=-35)। (a_{10}=900+9(-35)=585)।
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एक कारखाना पहले दिन (350) वस्तुएं बनाता है और हर दिन उत्पादन (15) वस्तुएं बढ़ता है। (22)वें दिन उत्पादन कितना होगा?
A factory makes (350) items on the first day and production increases by (15) items each day. What is the production on the (22)nd day?
#ap
#word-problem
#production
#nth-term
A (650)
B (680)
C (695)
D (665)
Explanation opens after your attempt
Step 1
Concept
\(a_{22}=350+21\times15=665\). Treat the first day as \(a_1\) and add (21) differences.
Step 2
Why this answer is correct
The correct answer is D. (665). \(a_{22}=350+21\times15=665\). Treat the first day as \(a_1\) and add (21) differences.
Step 3
Exam Tip
\(a_{22}=350+21\times15=665\)। पहले दिन को \(a_1\) मानकर (21) अंतर जोड़ें।
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एक टैंक में पहले मिनट (180) लीटर पानी है और हर मिनट (12) लीटर पानी निकलता है। (11)वें मिनट में पानी की मात्रा क्या होगी?
A tank has (180) litres of water in the first minute and (12) litres drain out each minute. What is the amount of water in the (11)th minute?
#ap
#word-problem
#decreasing
#nth-term
A (60) लीटर / (60) litres
B (48) लीटर / (48) litres
C (72) लीटर / (72) litres
D (84) लीटर / (84) litres
Explanation opens after your attempt
Correct Answer
A. (60) लीटर / (60) litres
Step 1
Concept
This is a decreasing AP with (a=180) and (d=-12). (a_{11}=180+10(-12)=60) litres.
Step 2
Why this answer is correct
The correct answer is A. (60) लीटर / (60) litres. This is a decreasing AP with (a=180) and (d=-12). (a_{11}=180+10(-12)=60) litres.
Step 3
Exam Tip
यह घटती समान्तर श्रेणी है जिसमें (a=180) और (d=-12) है। (a_{11}=180+10(-12)=60) लीटर।
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एक सभागार की पहली पंक्ति में (24) कुर्सियां हैं और हर अगली पंक्ति में (3) कुर्सियां अधिक हैं। (16)वीं पंक्ति में कितनी कुर्सियां होंगी?
An auditorium has (24) chairs in the first row and each next row has (3) more chairs. How many chairs are in the (16)th row?
#ap
#word-problem
#seating
#nth-term
A (66)
B (69)
C (72)
D (75)
Explanation opens after your attempt
Step 1
Concept
\(a_{16}=24+15\times3=69\). Up to the (16)th row, the difference is added (15) times.
Step 2
Why this answer is correct
The correct answer is B. (69). \(a_{16}=24+15\times3=69\). Up to the (16)th row, the difference is added (15) times.
Step 3
Exam Tip
\(a_{16}=24+15\times3=69\)। (16)वीं पंक्ति तक अंतर (15) बार जुड़ता है।
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एक प्रतियोगिता में पहले प्रश्न पर (5) अंक और हर अगले प्रश्न पर (3) अंक अधिक मिलते हैं। (20)वें प्रश्न के अंक क्या होंगे?
In a contest, the first question gives (5) marks and each next question gives (3) more marks. What are the marks for the (20)th question?
#ap
#word-problem
#marks
#nth-term
A (59)
B (61)
C (62)
D (65)
Explanation opens after your attempt
Step 1
Concept
\(a_{20}=5+19\times3=62\). This is the mark value of one question, not the total marks.
Step 2
Why this answer is correct
The correct answer is C. (62). \(a_{20}=5+19\times3=62\). This is the mark value of one question, not the total marks.
Step 3
Exam Tip
\(a_{20}=5+19\times3=62\)। यह एक पद की अंक संख्या है कुल अंक नहीं।
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एक बस मार्ग पर पहले पड़ाव की दूरी (3) किमी है और हर अगला पड़ाव (2.5) किमी आगे है। (18)वें पड़ाव की दूरी क्या होगी?
On a bus route, the first stop is (3) km away and each next stop is (2.5) km farther. What is the distance of the (18)th stop?
#ap
#word-problem
#decimal
#nth-term
A (43.5) किमी / (43.5) km
B (45.5) किमी / (45.5) km
C (47.5) किमी / (47.5) km
D (49.5) किमी / (49.5) km
Explanation opens after your attempt
Correct Answer
B. (45.5) किमी / (45.5) km
Step 1
Concept
(a=3) and (d=2.5) so \(a_{18}=3+17\times2.5=45.5\) km. In word problems, the first value is (a).
Step 2
Why this answer is correct
The correct answer is B. (45.5) किमी / (45.5) km. (a=3) and (d=2.5) so \(a_{18}=3+17\times2.5=45.5\) km. In word problems, the first value is (a).
Step 3
Exam Tip
(a=3) और (d=2.5) हैं इसलिए \(a_{18}=3+17\times2.5=45.5\) किमी। शब्द-प्रश्न में पहला मान (a) होता है।
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एक पुस्तक के अध्यायों में पृष्ठ संख्या \(12,16,20,\ldots\) के रूप में बढ़ती है। (18)वें अध्याय में कितने पृष्ठ होंगे?
The number of pages in chapters of a book increases as \(12,16,20,\ldots\). How many pages will the (18)th chapter have?
#ap
#word-problem
#nth-term
#class10
A (76)
B (80)
C (84)
D (88)
Explanation opens after your attempt
Step 1
Concept
(a=12), (d=4), so \(a_{18}=12+17\times4=80\). First find (d) from the pattern.
Step 2
Why this answer is correct
The correct answer is B. (80). (a=12), (d=4), so \(a_{18}=12+17\times4=80\). First find (d) from the pattern.
Step 3
Exam Tip
(a=12), (d=4), अतः \(a_{18}=12+17\times4=80\)। सूची के पैटर्न से (d) पहले निकालें।
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एक मशीन पहले घंटे (500) वस्तुएं बनाती है और हर अगले घंटे उत्पादन (20) वस्तुएं घटता है। (14)वें घंटे का उत्पादन क्या होगा?
A machine makes (500) items in the first hour and production decreases by (20) items each next hour. What is the production in the (14)th hour?
#ap
#word-problem
#decreasing
#nth-term
A (240)
B (260)
C (280)
D (300)
Explanation opens after your attempt
Step 1
Concept
Here (a=500), (d=-20), so (a_{14}=500+13(-20)=240). In decreasing word problems, take (d) as negative.
Step 2
Why this answer is correct
The correct answer is A. (240). Here (a=500), (d=-20), so (a_{14}=500+13(-20)=240). In decreasing word problems, take (d) as negative.
Step 3
Exam Tip
यहां (a=500), (d=-20), इसलिए (a_{14}=500+13(-20)=240)। घटते शब्द-प्रश्न में (d) ऋणात्मक लें।
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एक पौधे की ऊंचाई पहले दिन (25) सेमी है और रोज (1.5) सेमी बढ़ती है। (30)वें दिन ऊंचाई कितनी होगी?
A plant is (25) cm tall on the first day and grows (1.5) cm daily. What will be its height on the (30)th day?
#ap
#word-problem
#decimal
#nth-term
A (66.5) सेमी / (66.5) cm
B (68.5) सेमी / (68.5) cm
C (70) सेमी / (70) cm
D (71.5) सेमी / (71.5) cm
Explanation opens after your attempt
Correct Answer
B. (68.5) सेमी / (68.5) cm
Step 1
Concept
\(a_{30}=25+29\times1.5=68.5\) cm. Treat the first day as \(a_1\), not day (0).
Step 2
Why this answer is correct
The correct answer is B. (68.5) सेमी / (68.5) cm. \(a_{30}=25+29\times1.5=68.5\) cm. Treat the first day as \(a_1\), not day (0).
Step 3
Exam Tip
\(a_{30}=25+29\times1.5=68.5\) सेमी। पहले दिन को \(a_1\) मानें, दिन (0) नहीं।
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एक थिएटर की पहली पंक्ति में (18) सीटें हैं और हर अगली पंक्ति में (2) सीटें अधिक हैं। (20)वीं पंक्ति में कितनी सीटें होंगी?
A theatre has (18) seats in the first row and each next row has (2) more seats. How many seats are in the (20)th row?
#ap
#word-problem
#seating
#nth-term
A (54)
B (56)
C (58)
D (60)
Explanation opens after your attempt
Step 1
Concept
\(a_{20}=18+19\times2=56\). For row number (20), the difference is added (19) times.
Step 2
Why this answer is correct
The correct answer is B. (56). \(a_{20}=18+19\times2=56\). For row number (20), the difference is added (19) times.
Step 3
Exam Tip
\(a_{20}=18+19\times2=56\)। पंक्ति संख्या (20) होने पर अंतर (19) बार जुड़ता है।
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एक बचत योजना में पहले सप्ताह (₹200) जमा किए जाते हैं और हर सप्ताह (₹50) अधिक जमा होता है। (15)वें सप्ताह की जमा राशि क्या होगी?
In a savings plan, (₹200) is deposited in the first week and (₹50) more is deposited each week. What is the deposit in the (15)th week?
#ap
#word-problem
#savings
#nth-term
A (₹850)
B (₹900)
C (₹950)
D (₹1000)
Explanation opens after your attempt
Step 1
Concept
(a=200), (d=50), so \(a_{15}=200+14\times50=900\). The weekly deposit is the term, not the total amount.
Step 2
Why this answer is correct
The correct answer is B. (₹900). (a=200), (d=50), so \(a_{15}=200+14\times50=900\). The weekly deposit is the term, not the total amount.
Step 3
Exam Tip
(a=200), (d=50), अतः \(a_{15}=200+14\times50=900\)। हर सप्ताह की जमा राशि पद है, कुल राशि नहीं।
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एक सीढ़ी में पहले पायदान की ऊंचाई (10) सेमी है और हर अगला पायदान (3) सेमी ऊंचा है। (12)वें पायदान की ऊंचाई क्या होगी?
In a staircase, the first step height is (10) cm and each next step is (3) cm higher. What is the height of the (12)th step?
#ap
#word-problem
#nth-term
#class10
A (40) सेमी / (40) cm
B (43) सेमी / (43) cm
C (46) सेमी / (46) cm
D (49) सेमी / (49) cm
Explanation opens after your attempt
Correct Answer
B. (43) सेमी / (43) cm
Step 1
Concept
This is an AP with (a=10), (d=3). \(a_{12}=10+11\times3=43\) cm. In word problems, identify the first term and difference.
Step 2
Why this answer is correct
The correct answer is B. (43) सेमी / (43) cm. This is an AP with (a=10), (d=3). \(a_{12}=10+11\times3=43\) cm. In word problems, identify the first term and difference.
Step 3
Exam Tip
यह AP है जिसमें (a=10), (d=3)। \(a_{12}=10+11\times3=43\) सेमी। शब्द-प्रश्न में पहले पद और अंतर पहचानें।
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कैलेंडर की तारीखें (3,10,17,24,31) एक अनुक्रम बनाती हैं। सामान्य अंतर क्या है?
The calendar dates (3,10,17,24,31) form a sequence. What is the common difference?
#ap
#calendar
#word_problem
A (7) दिन / (7) days
B (10) दिन / (10) days
C (14) दिन / (14) days
D (28) दिन / (28) days
Explanation opens after your attempt
Correct Answer
A. (7) दिन / (7) days
Step 1
Concept
Each next date is (7) days later. In exams, including the unit makes the answer clearer.
Step 2
Why this answer is correct
The correct answer is A. (7) दिन / (7) days. Each next date is (7) days later. In exams, including the unit makes the answer clearer.
Step 3
Exam Tip
हर अगली तारीख (7) दिन बाद है। परीक्षा में इकाई के साथ उत्तर देना अधिक स्पष्ट होता है।
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एक वाहन समान समयांतरालों में (18,30,42,54) किलोमीटर चलता है। दूरी अनुक्रम का सामान्य अंतर क्या है?
A vehicle covers (18,30,42,54) kilometres in equal time intervals. What is the common difference of the distance sequence?
#ap
#word_problem
#distance
A (10) किलोमीटर / (10) kilometres
B (12) किलोमीटर / (12) kilometres
C (18) किलोमीटर / (18) kilometres
D (24) किलोमीटर / (24) kilometres
Explanation opens after your attempt
Correct Answer
B. (12) किलोमीटर / (12) kilometres
Step 1
Concept
The distance increases by (12) kilometres each time. In word problems, still find the same consecutive difference.
Step 2
Why this answer is correct
The correct answer is B. (12) किलोमीटर / (12) kilometres. The distance increases by (12) kilometres each time. In word problems, still find the same consecutive difference.
Step 3
Exam Tip
हर बार दूरी (12) किलोमीटर बढ़ती है। परीक्षा में वास्तविक जीवन प्रश्न में भी वही लगातार अंतर निकालें।
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एक छात्र की बचत \(50,65,80,95,\ldots\) रुपये है। यह समांतर श्रेणी किस सामान्य अंतर के साथ है?
A student's savings are \(50,65,80,95,\ldots\) rupees. With what common difference is this an AP?
#ap
#word_problem
#savings
A (10)
B (15)
C (20)
D (25)
Explanation opens after your attempt
Step 1
Concept
The amount increases by (15) rupees each time, so (d=15). In word problems, still look for the consecutive difference.
Step 2
Why this answer is correct
The correct answer is B. (15). The amount increases by (15) rupees each time, so (d=15). In word problems, still look for the consecutive difference.
Step 3
Exam Tip
हर बार (15) रुपये बढ़ते हैं, इसलिए (d=15)। परीक्षा में शब्द-प्रश्न में भी लगातार अंतर ही खोजें।
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एक प्रशिक्षण कार्यक्रम में दौड़ की दूरी हर दिन (0.4) किमी बढ़ती है। दूरियां \(1.2,1.6,2.0,2.4,\ldots\) हैं तो तीसरे और पहले पद का अंतर क्या है?
In a training program, running distance increases by (0.4) km each day. The distances are \(1.2,1.6,2.0,2.4,\ldots\). What is the difference between the third and first terms?
#ap
#word problem
#term difference
#medium
A (0.4)
B (0.6)
C (0.8)
D (1.2)
Explanation opens after your attempt
Step 1
Concept
The third term is (2.0) and the first is (1.2), so the difference is (0.8). It equals (2d).
Step 2
Why this answer is correct
The correct answer is C. (0.8). The third term is (2.0) and the first is (1.2), so the difference is (0.8). It equals (2d).
Step 3
Exam Tip
तीसरा पद (2.0) और पहला (1.2) है इसलिए अंतर (0.8) है। यह (2d) के बराबर है।
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एक मोबाइल रिचार्ज योजना में डाटा हर दिन (1.5) जीबी बढ़ता है। डाटा \(2,3.5,5,6.5,\ldots\) है तो (d) क्या है?
In a mobile recharge plan, data increases by (1.5) GB each day. The data is \(2,3.5,5,6.5,\ldots\). What is (d)?
#ap
#word problem
#data plan
#common difference
A (1)
B (1.5)
C (2)
D (3.5)
Explanation opens after your attempt
Step 1
Concept
The equal daily increase is (1.5), so (d=1.5). In word problems treat the equal increase as the common difference.
Step 2
Why this answer is correct
The correct answer is B. (1.5). The equal daily increase is (1.5), so (d=1.5). In word problems treat the equal increase as the common difference.
Step 3
Exam Tip
हर दिन समान वृद्धि (1.5) है इसलिए (d=1.5)। शब्द प्रश्नों में समान वृद्धि को सार्व अंतर मानें।
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एक दुकानदार रोज़ पिछले दिन से (15) रुपये अधिक बचाता है। यदि पहले दिन (50) रुपये बचाए, तो बचत का अनुक्रम क्या होगा?
A shopkeeper saves (15) rupees more than the previous day. If he saved (50) rupees on the first day, what will be the savings sequence?
#arithmetic-progression
#word-problem
#class10
A \(50,60,70,80,\ldots\)
B \(15,50,85,120,\ldots\)
C \(50,65,80,95,\ldots\)
D \(65,80,95,110,\ldots\)
Explanation opens after your attempt
Correct Answer
C. \(50,65,80,95,\ldots\)
Step 1
Concept
The first term is (50), and (15) is added each time. Hence the sequence is \(50,65,80,95,\ldots\).
Step 2
Why this answer is correct
The correct answer is C. \(50,65,80,95,\ldots\). The first term is (50), and (15) is added each time. Hence the sequence is \(50,65,80,95,\ldots\).
Step 3
Exam Tip
पहला पद (50) है और हर बार (15) जोड़ना है। इसलिए अनुक्रम \(50,65,80,95,\ldots\) होगा।
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एक मशीन हर घंटे (15) वस्तुएं अधिक बनाती है। उत्पादन \(20,35,50,65,\ldots\) है तो तीसरे और पहले पद का अंतर क्या है?
A machine produces (15) more items each hour. The production is \(20,35,50,65,\ldots\). What is the difference between the third and first terms?
#ap
#word problem
#term difference
#medium
A (15)
B (20)
C (35)
D (30)
Explanation opens after your attempt
Step 1
Concept
The third term is (50) and the first is (20), so the difference is (30). It equals (2d).
Step 2
Why this answer is correct
The correct answer is D. (30). The third term is (50) and the first is (20), so the difference is (30). It equals (2d).
Step 3
Exam Tip
तीसरा पद (50) और पहला (20) है इसलिए अंतर (30) है। यह (2d) के बराबर है।
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एक पार्किंग शुल्क हर घंटे (20) रुपये बढ़ता है। शुल्क \(30,50,70,90,\ldots\) हैं तो (d) क्या है?
A parking fee increases by (20) rupees every hour. The fees are \(30,50,70,90,\ldots\). What is (d)?
#ap
#word problem
#parking fee
#common difference
A (30)
B (20)
C (50)
D (90)
Explanation opens after your attempt
Step 1
Concept
The equal hourly increase is (20) rupees, so (d=20). In word problems treat the equal increase as the common difference.
Step 2
Why this answer is correct
The correct answer is B. (20). The equal hourly increase is (20) rupees, so (d=20). In word problems treat the equal increase as the common difference.
Step 3
Exam Tip
हर घंटे समान वृद्धि (20) रुपये है इसलिए (d=20)। शब्द प्रश्नों में समान वृद्धि को सार्व अंतर मानें।
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एक बच्चा रोज़ (3) पेज अधिक पढ़ता है। पहले दिन (5) पेज पढ़े तो अनुक्रम क्या होगा?
A child reads (3) more pages each day. If (5) pages are read on the first day, what will be the sequence?
#arithmetic-progression
#word-problem
#class10
A \(5,8,11,14,\ldots\)
B \(3,6,9,12,\ldots\)
C \(5,10,15,20,\ldots\)
D \(8,11,14,17,\ldots\)
Explanation opens after your attempt
Correct Answer
A. \(5,8,11,14,\ldots\)
Step 1
Concept
The first term is (5), and (3) is added each day. Therefore, the sequence is \(5,8,11,14,\ldots\).
Step 2
Why this answer is correct
The correct answer is A. \(5,8,11,14,\ldots\). The first term is (5), and (3) is added each day. Therefore, the sequence is \(5,8,11,14,\ldots\).
Step 3
Exam Tip
पहला पद (5) है और हर दिन (3) जुड़ता है। इसलिए अनुक्रम \(5,8,11,14,\ldots\) होगा।
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एक बस हर स्टॉप पर (8) मिनट के अंतर से पहुंचती है। समय \(6,14,22,30,\ldots\) मिनट हैं तो यह किस प्रकार का अनुक्रम है?
A bus reaches each stop at intervals of (8) minutes. The times are \(6,14,22,30,\ldots\) minutes. What type of sequence is this?
#arithmetic progression
#ap
#word problem
#common difference
A अंकगणितीय श्रेणी / Arithmetic progression
B ज्यामितीय श्रेणी / Geometric progression
C समानता / Equality
D चर / Variable
Explanation opens after your attempt
Correct Answer
A. अंकगणितीय श्रेणी / Arithmetic progression
Step 1
Concept
Each consecutive time has the same difference of (8), so it is an arithmetic progression. In word problems identify the equal difference.
Step 2
Why this answer is correct
The correct answer is A. अंकगणितीय श्रेणी / Arithmetic progression. Each consecutive time has the same difference of (8), so it is an arithmetic progression. In word problems identify the equal difference.
Step 3
Exam Tip
हर क्रमागत समय में (8) का समान अंतर है इसलिए यह अंकगणितीय श्रेणी है। शब्द प्रश्न में समान अंतर को पहचानें।
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यदि टिकटों की कीमतें \(40,45,50,55,\ldots\) हैं तो कीमतों का सार्व अंतर क्या है?
If ticket prices are \(40,45,50,55,\ldots\), what is the common difference of the prices?
#ap
#word problem
#price
#common difference
A (40)
B (45)
C (10)
D (5)
Explanation opens after your attempt
Step 1
Concept
(45-40=5), and the same difference continues. The equal increase in prices is (d).
Step 2
Why this answer is correct
The correct answer is D. (5). (45-40=5), and the same difference continues. The equal increase in prices is (d).
Step 3
Exam Tip
(45-40=5) है और आगे भी यही अंतर है। कीमतों में समान वृद्धि (d) होती है।
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