100 results found for "easy-targets" in Class 10.
ब्रिटेन की लड़ाई में जर्मन लक्ष्य परिवर्तन का दीर्घकालीन प्रभाव क्या था?
What was the long-term effect of Germany changing targets in the Battle of Britain?
#world history
#world wars
#battle of britain
#luftwaffe
A ब्रिटिश लड़ाकू कमान को पुनर्गठन का समय मिला / British Fighter Command got time to reorganize
B ब्रिटेन की वायु सेना तुरंत नष्ट हो गई / British air force was immediately destroyed
C जर्मनी ने अमेरिका पर कब्जा किया / Germany occupied America
D राष्ट्र संघ ने जर्मनी को रोका / The League stopped Germany
Explanation opens after your attempt
Correct Answer
A. ब्रिटिश लड़ाकू कमान को पुनर्गठन का समय मिला / British Fighter Command got time to reorganize
Step 1
Concept
Shifting focus from airfields to cities gave relief to British defense. For exams understand the importance of target selection.
Step 2
Why this answer is correct
The correct answer is A. ब्रिटिश लड़ाकू कमान को पुनर्गठन का समय मिला / British Fighter Command got time to reorganize. Shifting focus from airfields to cities gave relief to British defense. For exams understand the importance of target selection.
Step 3
Exam Tip
वायु अड्डों से शहरों पर ध्यान हटना ब्रिटिश रक्षा के लिए राहत बना। परीक्षा में लक्ष्य चयन का महत्व समझें।
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ब्रिटेन की लड़ाई में जर्मन लक्ष्य बदलना क्यों समस्या बना?
Why did changes in German targets become a problem in the Battle of Britain?
#world history
#world wars
#battle of britain
#luftwaffe
A वायु अड्डों से शहरों पर ध्यान हटने से ब्रिटिश वायु रक्षा को राहत मिली / Shifting focus from airfields to cities gave British air defense relief
B जर्मनी ने पूरी तरह हथियार छोड़ दिए / Germany gave up weapons completely
C ब्रिटेन ने सोवियत संघ पर हमला किया / Britain attacked the Soviet Union
D जापान ने फ्रांस जीता / Japan conquered France
Explanation opens after your attempt
Correct Answer
A. वायु अड्डों से शहरों पर ध्यान हटने से ब्रिटिश वायु रक्षा को राहत मिली / Shifting focus from airfields to cities gave British air defense relief
Step 1
Concept
Changing targets gave British fighter capacity time to recover. For exams understand the importance of strategic targets.
Step 2
Why this answer is correct
The correct answer is A. वायु अड्डों से शहरों पर ध्यान हटने से ब्रिटिश वायु रक्षा को राहत मिली / Shifting focus from airfields to cities gave British air defense relief. Changing targets gave British fighter capacity time to recover. For exams understand the importance of strategic targets.
Step 3
Exam Tip
लक्ष्य बदलने से ब्रिटिश लड़ाकू क्षमता को पुनर्गठित होने का समय मिला। परीक्षा में रणनीतिक लक्ष्य के महत्व को समझें।
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किस रेखा से वृक्ष की ऊंचाई दिखाना आसान है?
Which line makes it easy to show height of a tree?
#vertical line
#tree
#height
A ऊर्ध्व रेखा / Vertical line
B क्षैतिज रेखा / Horizontal line
C गोल रेखा / Round line
D बिंदु रेखा / Dotted line
Explanation opens after your attempt
Correct Answer
A. ऊर्ध्व रेखा / Vertical line
Step 1
Concept
Tree trunk grows vertically. Exam tip: observe vertical line for tall object.
Step 2
Why this answer is correct
The correct answer is A. ऊर्ध्व रेखा / Vertical line. Tree trunk grows vertically. Exam tip: observe vertical line for tall object.
Step 3
Exam Tip
वृक्ष का तना ऊर्ध्व दिशा में बढ़ता है। परीक्षा में tall object के लिए vertical line देखें।
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किस स्थिति में आकृति और पृष्ठभूमि अलग पहचानना आसान होता है?
In which situation is it easy to identify figure and background separately?
#figure ground
#contrast
#background
A जब दोनों बिल्कुल समान हों / When both are exactly the same
B जब कोई रेखा न हो / When there is no line
C जब सब कुछ धुंधला हो / When everything is faint
D जब अच्छा विरोध हो / When there is good contrast
Explanation opens after your attempt
Correct Answer
D. जब अच्छा विरोध हो / When there is good contrast
Step 1
Concept
Good contrast separates figure and background. Exam tip: remember contrast in figure-ground relation.
Step 2
Why this answer is correct
The correct answer is D. जब अच्छा विरोध हो / When there is good contrast. Good contrast separates figure and background. Exam tip: remember contrast in figure-ground relation.
Step 3
Exam Tip
अच्छा विरोध आकृति और पृष्ठभूमि को अलग करता है। परीक्षा में figure ground relation में contrast याद रखें।
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क्रांति और सुधार में आसान अंतर क्या है?
What is an easy difference between revolution and reform?
#world history
#revolutions
#revolution
#reform
A क्रांति बड़ा तेज बदलाव होती है सुधार क्रमिक बदलाव हो सकता है / Revolution is a major rapid change while reform can be gradual
B दोनों हमेशा युद्ध ही होते हैं / Both are always wars
C सुधार में कोई बदलाव नहीं होता / Reform has no change
D क्रांति केवल मौसम बदलती है / Revolution only changes weather
Explanation opens after your attempt
Correct Answer
A. क्रांति बड़ा तेज बदलाव होती है सुधार क्रमिक बदलाव हो सकता है / Revolution is a major rapid change while reform can be gradual
Step 1
Concept
A revolution often brings deep change while reform can happen gradually. For exams understand the two terms separately.
Step 2
Why this answer is correct
The correct answer is A. क्रांति बड़ा तेज बदलाव होती है सुधार क्रमिक बदलाव हो सकता है / Revolution is a major rapid change while reform can be gradual. A revolution often brings deep change while reform can happen gradually. For exams understand the two terms separately.
Step 3
Exam Tip
क्रांति प्रायः गहरा बदलाव लाती है जबकि सुधार धीरे धीरे हो सकता है। परीक्षा में दोनों शब्दों को अलग समझें।
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यदि (x+y=13) और (x=9), तो (y) का सही मान चुनें।
If (x+y=13) and (x=9), choose the correct value of (y).
#linear equations
#substitution
#easy value
#easy
#class 10
A (y=2)
B (y=3)
C (y=4)
D (y=5)
Explanation opens after your attempt
Step 1
Concept
(9+y=13), so (y=4). After placing the given value, do simple subtraction.
Step 2
Why this answer is correct
The correct answer is C. (y=4). (9+y=13), so (y=4). After placing the given value, do simple subtraction.
Step 3
Exam Tip
(9+y=13), इसलिए (y=4)। दिए गए मान को रखने के बाद सरल घटाव करें।
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समीकरणों (x+2y=14) और (x=4) में (y) कितना है?
In the equations (x+2y=14) and (x=4), what is (y)?
#linear equations
#substitution
#easy value
#easy
#class 10
A (y=4)
B (y=5)
C (y=6)
D (y=7)
Explanation opens after your attempt
Step 1
Concept
Putting (x=4) gives (4+2y=14), so (y=5). When one variable is given, substitute immediately.
Step 2
Why this answer is correct
The correct answer is B. (y=5). Putting (x=4) gives (4+2y=14), so (y=5). When one variable is given, substitute immediately.
Step 3
Exam Tip
(x=4) रखने पर (4+2y=14), इसलिए (y=5)। जब एक चर दिया हो तो प्रतिस्थापन तुरंत करें।
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\(x^2+3x+2=0\) को हल करने के लिए सबसे उपयुक्त आसान विधि कौनसी है?
Which easy method is most suitable to solve \(x^2+3x+2=0\)?
#quadratic
#method-selection
#factorisation
A गुणनखंड विधि / Factorisation method
B सिर्फ ग्राफ विधि / Only graph method
C प्रतिस्थापन विधि / Substitution method
D विलोपन विधि / Elimination method
Explanation opens after your attempt
Correct Answer
A. गुणनखंड विधि / Factorisation method
Step 1
Concept
It easily factors as ((x+1)(x+2)=0). In exams, factorisation is fast for questions with small coefficients.
Step 2
Why this answer is correct
The correct answer is A. गुणनखंड विधि / Factorisation method. It easily factors as ((x+1)(x+2)=0). In exams, factorisation is fast for questions with small coefficients.
Step 3
Exam Tip
यह ((x+1)(x+2)=0) में आसानी से टूटता है। परीक्षा में छोटे गुणांकों वाले प्रश्नों में गुणनखंड विधि तेज रहती है।
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गरीब लोगों के लिए खादी अपनाना हमेशा आसान क्यों नहीं था?
Why was adopting khadi not always easy for poor people?
#khadi
#poor-people
#limitations
#swadeshi
A क्योंकि खादी कभी कभी मिल के कपड़े से महंगी होती थी / Because khadi was sometimes costlier than mill-made cloth
B क्योंकि खादी विदेशी कपड़ा थी / Because khadi was foreign cloth
C क्योंकि खादी केवल सरकारी अधिकारियों को मिलती थी / Because khadi was available only to government officials
D क्योंकि खादी पर पूर्ण प्रतिबंध था / Because khadi was completely banned
Explanation opens after your attempt
Correct Answer
A. क्योंकि खादी कभी कभी मिल के कपड़े से महंगी होती थी / Because khadi was sometimes costlier than mill-made cloth
Step 1
Concept
Khadi was an ideal symbol of swadeshi.
Step 2
Why this answer is correct
But price was very important for poor families.
Step 3
Exam Tip
This shows the gap between movement ideals and economic difficulty. चरण 1: खादी स्वदेशी का आदर्श प्रतीक थी। चरण 2: पर गरीब परिवारों के लिए कीमत बहुत महत्वपूर्ण थी। चरण 3: इससे आंदोलन के आदर्श और आर्थिक कठिनाई के बीच अंतर दिखता है।
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खादी गरीब जनता के लिए हमेशा तुरंत सरल विकल्प क्यों नहीं थी?
Why was khadi not always an immediately easy option for poor people?
#khadi
#poor-people
#swadeshi
#limitations
A क्योंकि वह कई बार मिल के कपड़े से महंगी होती थी / Because it was often costlier than mill-made cloth
B क्योंकि वह विदेशी वस्त्र थी / Because it was foreign cloth
C क्योंकि वह ब्रिटिश सरकार द्वारा मुफ्त दी जाती थी / Because it was given free by the British government
D क्योंकि वह केवल सैनिकों के लिए थी / Because it was only for soldiers
Explanation opens after your attempt
Correct Answer
A. क्योंकि वह कई बार मिल के कपड़े से महंगी होती थी / Because it was often costlier than mill-made cloth
Step 1
Concept
Khadi was a symbol of swadeshi.
Step 2
Why this answer is correct
But price mattered a lot for poor people.
Step 3
Exam Tip
Therefore one must understand the gap between movement ideals and economic difficulty. चरण 1: खादी स्वदेशी का प्रतीक थी। चरण 2: पर गरीबों के लिए कीमत महत्वपूर्ण होती है। चरण 3: इसलिए आंदोलन के आदर्श और आर्थिक कठिनाई में अंतर समझना चाहिए।
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मैरिआन और जर्मानिया में अंतर पहचानने का आसान तरीका क्या है?
What is an easy way to identify the difference between Marianne and Germania?
#marianne
#germania
#france
#germany
#difference
A दोनों रूस से जुड़ी हैं / Both are linked with Russia
B दोनों इटली से जुड़ी हैं / Both are linked with Italy
C मैरिआन फ्रांस से और जर्मानिया जर्मनी से जुड़ी है / Marianne is linked with France and Germania with Germany
D मैरिआन जर्मनी से और जर्मानिया फ्रांस से जुड़ी है / Marianne is linked with Germany and Germania with France
Explanation opens after your attempt
Correct Answer
C. मैरिआन फ्रांस से और जर्मानिया जर्मनी से जुड़ी है / Marianne is linked with France and Germania with Germany
Step 1
Concept
Both are female allegories of the nation.
Step 2
Why this answer is correct
Marianne symbolises France and Germania symbolises Germany.
Step 3
Exam Tip
In exams identify them by their countries. चरण 1: दोनों राष्ट्र के महिला रूपक हैं। चरण 2: मैरिआन फ्रांस की और जर्मानिया जर्मनी की प्रतीक है। चरण 3: परीक्षा में देश के आधार पर दोनों को अलग पहचानें।
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अपचयन की आसान पहचान क्या है?
What is the easy identification of reduction?
#science
#class10
#reduction
#oxygen-removal
A ऑक्सीजन का जुड़ना / Addition of oxygen
B ऑक्सीजन का हटना / Removal of oxygen
C ऊष्मा का निकलना / Release of heat
D गैस का निकलना / Evolution of gas
Explanation opens after your attempt
Correct Answer
B. ऑक्सीजन का हटना / Removal of oxygen
Step 1
Concept
Reduction generally involves removal of oxygen.
Step 2
Why this answer is correct
The substance losing oxygen is reduced.
Step 3
Exam Tip
Remember oxidation and reduction as opposite processes. चरण 1: अपचयन में सामान्यतः ऑक्सीजन हटती है। चरण 2: जिस पदार्थ से ऑक्सीजन हटती है वह अपचयित होता है। चरण 3: ऑक्सीकरण और अपचयन को विपरीत रूप में याद रखें।
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ऑक्सीकरण की आसान पहचान क्या है?
What is the easy identification of oxidation?
#science
#class10
#oxidation
#oxygen-addition
A ऑक्सीजन का जुड़ना / Addition of oxygen
B ऑक्सीजन का हटना / Removal of oxygen
C जल का जमना / Freezing of water
D लवण का छानना / Filtering of salt
Explanation opens after your attempt
Correct Answer
A. ऑक्सीजन का जुड़ना / Addition of oxygen
Step 1
Concept
Oxidation generally involves addition of oxygen.
Step 2
Why this answer is correct
The substance gaining oxygen is oxidised.
Step 3
Exam Tip
In easy questions check the direction of oxygen. चरण 1: ऑक्सीकरण में सामान्यतः ऑक्सीजन जुड़ती है। चरण 2: जिस पदार्थ में ऑक्सीजन जुड़ती है वह ऑक्सीकृत होता है। चरण 3: आसान प्रश्नों में ऑक्सीजन की दिशा देखें।
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समांतर श्रेणी \(22,25,28,\ldots\) के पहले (14) पदों का योग ज्ञात कीजिए।
Find the sum of the first (14) terms of the arithmetic progression \(22,25,28,\ldots\).
#ap_sum
#fourteen_terms
#easy
A (571)
B (581)
C (591)
D (601)
Explanation opens after your attempt
Step 1
Concept
The fourteenth term is (61), so (S_{14}=\frac{14}{2}(22+61)=581). Correct calculation of the last term gives the correct sum.
Step 2
Why this answer is correct
The correct answer is B. (581). The fourteenth term is (61), so (S_{14}=\frac{14}{2}(22+61)=581). Correct calculation of the last term gives the correct sum.
Step 3
Exam Tip
चौदहवाँ पद (61) है, इसलिए (S_{14}=\frac{14}{2}(22+61)=581)। अंतिम पद की सही गणना से योग सही मिलता है।
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पहले (16) विषम प्राकृतिक संख्याओं का योग कितना है?
What is the sum of the first (16) odd natural numbers?
#odd_numbers
#ap_sum
#easy
A (246)
B (256)
C (266)
D (276)
Explanation opens after your attempt
Step 1
Concept
The sum of the first (n) odd numbers is \(n^2\), so \(16^2=256\). This formula is worth remembering.
Step 2
Why this answer is correct
The correct answer is B. (256). The sum of the first (n) odd numbers is \(n^2\), so \(16^2=256\). This formula is worth remembering.
Step 3
Exam Tip
पहले (n) विषम संख्याओं का योग \(n^2\) होता है, इसलिए \(16^2=256\)। यह सूत्र याद रखने योग्य है।
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यदि (S_n=\frac{n}{2}(a+l)), (a=14), (l=84), और (n=15) है, तो योग ज्ञात कीजिए।
If (S_n=\frac{n}{2}(a+l)), (a=14), (l=84), and (n=15), find the sum.
#first_last
#ap_sum
#easy
A (715)
B (725)
C (735)
D (745)
Explanation opens after your attempt
Step 1
Concept
(S_{15}=\frac{15}{2}(14+84)=735). Take the average of the first and last terms and multiply by (n).
Step 2
Why this answer is correct
The correct answer is C. (735). (S_{15}=\frac{15}{2}(14+84)=735). Take the average of the first and last terms and multiply by (n).
Step 3
Exam Tip
(S_{15}=\frac{15}{2}(14+84)=735)। पहले और अंतिम पद का औसत लेकर (n) से गुणा करें।
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यदि किसी समांतर श्रेणी में \(S_5=65\) और \(S_{11}=242\) है, तो छठे से ग्यारहवें पदों का योग कितना है?
If an arithmetic progression has \(S_5=65\) and \(S_{11}=242\), what is the sum of the (6)th to (11)th terms?
#partial_sum
#ap_sum
#easy
A (167)
B (177)
C (187)
D (197)
Explanation opens after your attempt
Step 1
Concept
The sum of the (6)th to (11)th terms is \(S_{11}-S_5=177\). The difference of partial sums gives the answer directly.
Step 2
Why this answer is correct
The correct answer is B. (177). The sum of the (6)th to (11)th terms is \(S_{11}-S_5=177\). The difference of partial sums gives the answer directly.
Step 3
Exam Tip
छठे से ग्यारहवें पदों का योग \(S_{11}-S_5=177\) है। आंशिक योगों का अंतर सीधे उत्तर देता है।
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समांतर श्रेणी \(2,9,16,\ldots\) के पहले (13) पदों का योग क्या है?
What is the sum of the first (13) terms of the arithmetic progression \(2,9,16,\ldots\)?
#ap_sum
#thirteen_terms
#easy
A (542)
B (552)
C (562)
D (572)
Explanation opens after your attempt
Step 1
Concept
The thirteenth term is (86), so (S_{13}=\frac{13}{2}(2+86)=572). Use ((n-1)d) when finding the last term.
Step 2
Why this answer is correct
The correct answer is D. (572). The thirteenth term is (86), so (S_{13}=\frac{13}{2}(2+86)=572). Use ((n-1)d) when finding the last term.
Step 3
Exam Tip
तेरहवाँ पद (86) है, इसलिए (S_{13}=\frac{13}{2}(2+86)=572)। अंतिम पद निकालते समय ((n-1)d) का उपयोग करें।
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यदि किसी समांतर श्रेणी में (a=20), (d=-3), और (n=7) है, तो पहले (7) पदों का योग कितना होगा?
If an arithmetic progression has (a=20), (d=-3), and (n=7), what is the sum of the first (7) terms?
#negative_difference
#ap_sum
#easy
A (77)
B (87)
C (97)
D (107)
Explanation opens after your attempt
Step 1
Concept
The seventh term is (2), and (S_7=\frac{7}{2}(20+2)=77). Do not make a sign error with negative (d).
Step 2
Why this answer is correct
The correct answer is A. (77). The seventh term is (2), and (S_7=\frac{7}{2}(20+2)=77). Do not make a sign error with negative (d).
Step 3
Exam Tip
सातवाँ पद (2) है और (S_7=\frac{7}{2}(20+2)=77)। ऋणात्मक (d) में चिन्ह की गलती न करें।
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पहले (19) सम प्राकृतिक संख्याओं का योग कितना होगा?
What will be the sum of the first (19) even natural numbers?
#even_numbers
#ap_sum
#easy
A (370)
B (380)
C (390)
D (400)
Explanation opens after your attempt
Step 1
Concept
The sum of the first (n) even numbers is (n(n+1)), so \(19\times20=380\). Even numbers start from \(2,4,6,\ldots\).
Step 2
Why this answer is correct
The correct answer is B. (380). The sum of the first (n) even numbers is (n(n+1)), so \(19\times20=380\). Even numbers start from \(2,4,6,\ldots\).
Step 3
Exam Tip
पहले (n) सम संख्याओं का योग (n(n+1)) होता है, इसलिए \(19\times20=380\)। सम संख्याएँ \(2,4,6,\ldots\) से शुरू होती हैं।
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पहले (22) प्राकृतिक संख्याओं का योग कितना है?
What is the sum of the first (22) natural numbers?
#natural_numbers
#ap_sum
#easy
A (243)
B (253)
C (263)
D (273)
Explanation opens after your attempt
Step 1
Concept
The sum of the first (n) natural numbers is (\frac{n(n+1)}{2}), so the answer is (253). Put the value of (n) directly in such questions.
Step 2
Why this answer is correct
The correct answer is B. (253). The sum of the first (n) natural numbers is (\frac{n(n+1)}{2}), so the answer is (253). Put the value of (n) directly in such questions.
Step 3
Exam Tip
पहले (n) प्राकृतिक संख्याओं का योग (\frac{n(n+1)}{2}) होता है, इसलिए (253) मिलेगा। ऐसे प्रश्न में सीधे (n) का मान लगाएँ।
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समांतर श्रेढ़ी \(2,5,8,\ldots\) के पहले (14) पदों का योग ज्ञात कीजिए।
Find the sum of the first (14) terms of the arithmetic progression \(2,5,8,\ldots\).
#ap_sum
#fourteen_terms
#easy
A (296)
B (299)
C (301)
D (303)
Explanation opens after your attempt
Step 1
Concept
The fourteenth term is (41), so (S_{14}=\frac{14}{2}(2+41)=301). Finding the last term correctly is the main step.
Step 2
Why this answer is correct
The correct answer is C. (301). The fourteenth term is (41), so (S_{14}=\frac{14}{2}(2+41)=301). Finding the last term correctly is the main step.
Step 3
Exam Tip
चौदहवाँ पद (41) है, इसलिए (S_{14}=\frac{14}{2}(2+41)=301)। अंतिम पद सही निकालना मुख्य कदम है।
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समांतर श्रेढ़ी \(14,17,20,\ldots\) के पहले (10) पदों का योग ज्ञात कीजिए।
Find the sum of the first (10) terms of the arithmetic progression \(14,17,20,\ldots\).
#ap_sum
#tenth_term
#easy
A (265)
B (275)
C (285)
D (295)
Explanation opens after your attempt
Step 1
Concept
The tenth term is (41), and (S_{10}=\frac{10}{2}(14+41)=275). Finding the last term first makes the sum simple.
Step 2
Why this answer is correct
The correct answer is B. (275). The tenth term is (41), and (S_{10}=\frac{10}{2}(14+41)=275). Finding the last term first makes the sum simple.
Step 3
Exam Tip
दसवाँ पद (41) है और (S_{10}=\frac{10}{2}(14+41)=275)। अंतिम पद निकालकर योग लेना सरल है।
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समांतर श्रेढ़ी \(9,13,17,\ldots\) के पहले (15) पदों का योग ज्ञात कीजिए।
Find the sum of the first (15) terms of the arithmetic progression \(9,13,17,\ldots\).
#ap_sum
#last_term
#easy
A (555)
B (560)
C (565)
D (570)
Explanation opens after your attempt
Step 1
Concept
The last term is (65), so (S_{15}=\frac{15}{2}(9+65)=555). Using the last term can simplify calculation.
Step 2
Why this answer is correct
The correct answer is A. (555). The last term is (65), so (S_{15}=\frac{15}{2}(9+65)=555). Using the last term can simplify calculation.
Step 3
Exam Tip
अंतिम पद (65) है, इसलिए (S_{15}=\frac{15}{2}(9+65)=555)। अंतिम पद से गणना आसान हो सकती है।
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किसी समांतर श्रेढ़ी के पहले (9) पदों का औसत (25) है। इन (9) पदों का योग कितना है?
The average of the first (9) terms of an arithmetic progression is (25). What is the sum of these (9) terms?
#average
#ap_sum
#easy
A (200)
B (215)
C (225)
D (235)
Explanation opens after your attempt
Step 1
Concept
Sum equals average \(\times\) number of terms, so \(25\times9=225\). When the average is given, the long formula is not needed.
Step 2
Why this answer is correct
The correct answer is C. (225). Sum equals average \(\times\) number of terms, so \(25\times9=225\). When the average is given, the long formula is not needed.
Step 3
Exam Tip
योग (=) औसत \(\times\) पदों की संख्या, इसलिए \(25\times9=225\)। औसत दिए होने पर लंबा सूत्र जरूरी नहीं।
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समान्तर श्रेणी \(17,22,27,\ldots\) के पहले (10) पदों का योग कितना है?
What is the sum of the first (10) terms of the AP \(17,22,27,\ldots\)?
#ap-sum-ten-easy
A (385)
B (390)
C (395)
D (400)
Explanation opens after your attempt
Step 1
Concept
The tenth term is (62). (S_{10}=\frac{10}{2}(17+62)=395).
Step 2
Why this answer is correct
The correct answer is C. (395). The tenth term is (62). (S_{10}=\frac{10}{2}(17+62)=395).
Step 3
Exam Tip
दसवां पद (62) है। (S_{10}=\frac{10}{2}(17+62)=395)।
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एक AP का (a=2), (l=38) और (n=10) है। \(S_n\) क्या होगा?
An AP has (a=2), (l=38), and (n=10). What is \(S_n\)?
#ap-sum-first-last-easy
A (180)
B (190)
C (200)
D (210)
Explanation opens after your attempt
Step 1
Concept
The first and last terms are given. (S_{10}=\frac{10}{2}(2+38)=200).
Step 2
Why this answer is correct
The correct answer is C. (200). The first and last terms are given. (S_{10}=\frac{10}{2}(2+38)=200).
Step 3
Exam Tip
पहला और अंतिम पद दिए हैं। (S_{10}=\frac{10}{2}(2+38)=200)।
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समान्तर श्रेणी \(2,5,8,\ldots\) के पहले (10) पदों का योग क्या है?
What is the sum of the first (10) terms of the AP \(2,5,8,\ldots\)?
#ap-sum-easy
A (145)
B (150)
C (155)
D (160)
Explanation opens after your attempt
Step 1
Concept
Here (a=2), (d=3), (n=10). \(S_{10}=\frac{10}{2}[2\cdot2+9\cdot3]=155\).
Step 2
Why this answer is correct
The correct answer is C. (155). Here (a=2), (d=3), (n=10). \(S_{10}=\frac{10}{2}[2\cdot2+9\cdot3]=155\).
Step 3
Exam Tip
यहां (a=2), (d=3), (n=10)। \(S_{10}=\frac{10}{2}[2\cdot2+9\cdot3]=155\)।
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एपी \(\frac{4}{5},\frac{9}{5},\frac{14}{5},\frac{19}{5},\ldots\) का (6)वाँ पद ज्ञात करें।
Find the (6)th term of the AP \(\frac{4}{5},\frac{9}{5},\frac{14}{5},\frac{19}{5},\ldots\).
#ap
#nth-term
#easy
#class10
A \(\frac{27}{5}\)
B \(\frac{29}{5}\)
C \(\frac{31}{5}\)
D \(\frac{33}{5}\)
Explanation opens after your attempt
Correct Answer
B. \(\frac{29}{5}\)
Step 1
Concept
Here (d=1), so \(a_6=\frac{4}{5}+5=\frac{29}{5}\). Convert the whole number to a fraction with the same denominator.
Step 2
Why this answer is correct
The correct answer is B. \(\frac{29}{5}\). Here (d=1), so \(a_6=\frac{4}{5}+5=\frac{29}{5}\). Convert the whole number to a fraction with the same denominator.
Step 3
Exam Tip
यहाँ (d=1) है इसलिए \(a_6=\frac{4}{5}+5=\frac{29}{5}\)। पूर्ण संख्या को समान हर वाली भिन्न में बदलें।
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एपी \(14,14,14,14,\ldots\) का (40)वाँ पद क्या होगा?
What is the (40)th term of the AP \(14,14,14,14,\ldots\)?
#ap
#nth-term
#easy
#class10
A (0)
B (14)
C (40)
D (560)
Explanation opens after your attempt
Step 1
Concept
Here (d=0), so every term remains (14). In a constant AP, \(a_n=a\).
Step 2
Why this answer is correct
The correct answer is B. (14). Here (d=0), so every term remains (14). In a constant AP, \(a_n=a\).
Step 3
Exam Tip
यहाँ (d=0) है इसलिए हर पद (14) रहेगा। स्थिर एपी में \(a_n=a\) होता है।
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यदि \(a_9=70\) और (d=3) है तो (15)वाँ पद क्या होगा?
If \(a_9=70\) and (d=3), what is the (15)th term?
#ap
#nth-term
#easy
#class10
A (84)
B (86)
C (88)
D (90)
Explanation opens after your attempt
Step 1
Concept
The (15)th term is (6d) after the (9)th term, so (70+18=88). This method is simple for nearby terms.
Step 2
Why this answer is correct
The correct answer is C. (88). The (15)th term is (6d) after the (9)th term, so (70+18=88). This method is simple for nearby terms.
Step 3
Exam Tip
(15)वाँ पद (9)वें पद से (6d) आगे है इसलिए (70+18=88)। निकट पदों में यह विधि सरल है।
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एपी \(9,15,21,27,\ldots\) का (28)वाँ पद क्या है?
What is the (28)th term of the AP \(9,15,21,27,\ldots\)?
#ap
#nth-term
#easy
#class10
A (169)
B (171)
C (173)
D (175)
Explanation opens after your attempt
Step 1
Concept
Here (d=6), so \(a_{28}=9+27\times6=171\). For the (28)th term, add (27d).
Step 2
Why this answer is correct
The correct answer is B. (171). Here (d=6), so \(a_{28}=9+27\times6=171\). For the (28)th term, add (27d).
Step 3
Exam Tip
यहाँ (d=6) है इसलिए \(a_{28}=9+27\times6=171\)। (28)वें पद के लिए (27d) जोड़ें।
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यदि \(a_1=22\) और (d=13) है तो (5)वाँ पद क्या होगा?
If \(a_1=22\) and (d=13), what is the (5)th term?
#ap
#nth-term
#easy
#class10
A (70)
B (72)
C (74)
D (76)
Explanation opens after your attempt
Step 1
Concept
\(a_5=22+4\times13=74\). \(a_1\) is treated as the first term.
Step 2
Why this answer is correct
The correct answer is C. (74). \(a_5=22+4\times13=74\). \(a_1\) is treated as the first term.
Step 3
Exam Tip
\(a_5=22+4\times13=74\)। \(a_1\) को प्रथम पद माना जाता है।
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एपी \(33,29,25,21,\ldots\) का (14)वाँ पद ज्ञात करें।
Find the (14)th term of the AP \(33,29,25,21,\ldots\).
#ap
#nth-term
#easy
#class10
A (-21)
B (-19)
C (-17)
D (-15)
Explanation opens after your attempt
Step 1
Concept
Here (d=-4), so (a_{14}=33+13(-4)=-19). Add (-4) thirteen times.
Step 2
Why this answer is correct
The correct answer is B. (-19). Here (d=-4), so (a_{14}=33+13(-4)=-19). Add (-4) thirteen times.
Step 3
Exam Tip
यहाँ (d=-4) है इसलिए (a_{14}=33+13(-4)=-19)। (13) बार (-4) जोड़ें।
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एपी \(6,17,28,39,\ldots\) का (16)वाँ पद क्या होगा?
What is the (16)th term of the AP \(6,17,28,39,\ldots\)?
#ap
#nth-term
#easy
#class10
A (169)
B (171)
C (173)
D (175)
Explanation opens after your attempt
Step 1
Concept
Here (d=11), so \(a_{16}=6+15\times11=171\). For the (16)th term, add (15) differences.
Step 2
Why this answer is correct
The correct answer is B. (171). Here (d=11), so \(a_{16}=6+15\times11=171\). For the (16)th term, add (15) differences.
Step 3
Exam Tip
यहाँ (d=11) है इसलिए \(a_{16}=6+15\times11=171\)। (16)वें पद के लिए (15) अंतर जोड़ें।
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यदि (a=120), (d=-9) और (n=13) है तो \(a_n\) ज्ञात करें।
If (a=120), (d=-9), and (n=13), find \(a_n\).
#ap
#nth-term
#easy
#class10
A (10)
B (12)
C (14)
D (16)
Explanation opens after your attempt
Step 1
Concept
(a_{13}=120+12(-9)=12). First subtract \(12\times9\).
Step 2
Why this answer is correct
The correct answer is B. (12). (a_{13}=120+12(-9)=12). First subtract \(12\times9\).
Step 3
Exam Tip
(a_{13}=120+12(-9)=12)। पहले \(12\times9\) घटाएं।
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एपी \(-15,-9,-3,3,\ldots\) का (18)वाँ पद क्या है?
What is the (18)th term of the AP \(-15,-9,-3,3,\ldots\)?
#ap
#nth-term
#easy
#class10
A (81)
B (85)
C (87)
D (89)
Explanation opens after your attempt
Step 1
Concept
Here (d=6), so \(a_{18}=-15+17\times6=87\). Add the negative first term correctly.
Step 2
Why this answer is correct
The correct answer is C. (87). Here (d=6), so \(a_{18}=-15+17\times6=87\). Add the negative first term correctly.
Step 3
Exam Tip
यहाँ (d=6) है इसलिए \(a_{18}=-15+17\times6=87\)। ऋणात्मक प्रथम पद को सही जोड़ें।
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एपी \(12,17,22,27,\ldots\) का (24)वाँ पद ज्ञात कीजिए।
Find the (24)th term of the AP \(12,17,22,27,\ldots\).
#ap
#nth-term
#easy
#class10
A (125)
B (127)
C (129)
D (131)
Explanation opens after your attempt
Step 1
Concept
Here (d=5), so \(a_{24}=12+23\times5=127\). For the (24)th term, add (23d).
Step 2
Why this answer is correct
The correct answer is B. (127). Here (d=5), so \(a_{24}=12+23\times5=127\). For the (24)th term, add (23d).
Step 3
Exam Tip
यहाँ (d=5) है इसलिए \(a_{24}=12+23\times5=127\)। (24)वें पद के लिए (23d) जोड़ें।
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यदि \(a_8=44\) और (d=-2) है तो (12)वाँ पद क्या होगा?
If \(a_8=44\) and (d=-2), what is the (12)th term?
#ap
#nth-term
#easy
#class10
A (34)
B (36)
C (38)
D (40)
Explanation opens after your attempt
Step 1
Concept
The (12)th term is (4d) after the (8)th term, so (44+4(-2)=36). Add the negative difference carefully.
Step 2
Why this answer is correct
The correct answer is B. (36). The (12)th term is (4d) after the (8)th term, so (44+4(-2)=36). Add the negative difference carefully.
Step 3
Exam Tip
(12)वाँ पद (8)वें पद से (4d) आगे है इसलिए (44+4(-2)=36)। ऋणात्मक अंतर को ध्यान से जोड़ें।
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एपी \(7,16,25,34,\ldots\) का (21)वाँ पद क्या होगा?
What is the (21)st term of the AP \(7,16,25,34,\ldots\)?
#ap
#nth-term
#easy
#class10
A (185)
B (187)
C (189)
D (191)
Explanation opens after your attempt
Step 1
Concept
Here (d=9), so \(a_{21}=7+20\times9=187\). Up to the (21)st term, (20) differences are added.
Step 2
Why this answer is correct
The correct answer is B. (187). Here (d=9), so \(a_{21}=7+20\times9=187\). Up to the (21)st term, (20) differences are added.
Step 3
Exam Tip
यहाँ (d=9) है इसलिए \(a_{21}=7+20\times9=187\)। (21)वें पद तक (20) अंतर जुड़ते हैं।
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यदि किसी एपी में (a=2.5), (d=2.5) और (n=10) है तो \(a_n\) क्या होगा?
If an AP has (a=2.5), (d=2.5), and (n=10), what is \(a_n\)?
#ap
#nth-term
#easy
#class10
A (22.5)
B (25.0)
C (27.5)
D (30.0)
Explanation opens after your attempt
Step 1
Concept
\(a_{10}=2.5+9\times2.5=25.0\). Treat decimals like ordinary numbers.
Step 2
Why this answer is correct
The correct answer is B. (25.0). \(a_{10}=2.5+9\times2.5=25.0\). Treat decimals like ordinary numbers.
Step 3
Exam Tip
\(a_{10}=2.5+9\times2.5=25.0\)। दशमलव को सामान्य संख्या की तरह रखें।
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एपी \(48,42,36,30,\ldots\) का (11)वाँ पद ज्ञात करें।
Find the (11)th term of the AP \(48,42,36,30,\ldots\).
#ap
#nth-term
#easy
#class10
A (-14)
B (-12)
C (-10)
D (-8)
Explanation opens after your attempt
Step 1
Concept
Here (d=-6), so (a_{11}=48+10(-6)=-12). For the (11)th term, add (10d).
Step 2
Why this answer is correct
The correct answer is B. (-12). Here (d=-6), so (a_{11}=48+10(-6)=-12). For the (11)th term, add (10d).
Step 3
Exam Tip
यहाँ (d=-6) है इसलिए (a_{11}=48+10(-6)=-12)। (11)वें पद के लिए (10d) जोड़ें।
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यदि \(a_2=12\) और (d=9) है तो (7)वाँ पद क्या होगा?
If \(a_2=12\) and (d=9), what is the (7)th term?
#ap
#nth-term
#easy
#class10
A (55)
B (57)
C (59)
D (61)
Explanation opens after your attempt
Step 1
Concept
The (7)th term is (5d) after the (2)nd term, so (12+45=57). Solve by moving forward from the given term.
Step 2
Why this answer is correct
The correct answer is B. (57). The (7)th term is (5d) after the (2)nd term, so (12+45=57). Solve by moving forward from the given term.
Step 3
Exam Tip
(7)वाँ पद (2)रे पद से (5d) आगे है इसलिए (12+45=57)। दिए पद से आगे बढ़कर हल करें।
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एपी \(18,28,38,48,\ldots\) का (9)वाँ पद क्या है?
What is the (9)th term of the AP \(18,28,38,48,\ldots\)?
#ap
#nth-term
#easy
#class10
A (88)
B (96)
C (98)
D (108)
Explanation opens after your attempt
Step 1
Concept
Here (d=10), so \(a_9=18+8\times10=98\). Up to the (9)th term, (8) differences are added.
Step 2
Why this answer is correct
The correct answer is C. (98). Here (d=10), so \(a_9=18+8\times10=98\). Up to the (9)th term, (8) differences are added.
Step 3
Exam Tip
यहाँ (d=10) है इसलिए \(a_9=18+8\times10=98\)। (9)वें पद तक (8) अंतर जुड़ते हैं।
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यदि (a=5) और (d=-1) है तो (30)वाँ पद क्या होगा?
If (a=5) and (d=-1), what is the (30)th term?
#ap
#nth-term
#easy
#class10
A (-26)
B (-25)
C (-24)
D (-23)
Explanation opens after your attempt
Step 1
Concept
(a_{30}=5+29(-1)=-24). For the (30)th term, add (29d).
Step 2
Why this answer is correct
The correct answer is C. (-24). (a_{30}=5+29(-1)=-24). For the (30)th term, add (29d).
Step 3
Exam Tip
(a_{30}=5+29(-1)=-24)। (30)वें पद के लिए (29d) जोड़ना है।
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एपी \(31,34,37,40,\ldots\) का (22)वाँ पद क्या होगा?
What is the (22)nd term of the AP \(31,34,37,40,\ldots\)?
#ap
#nth-term
#easy
#class10
A (91)
B (92)
C (93)
D (94)
Explanation opens after your attempt
Step 1
Concept
Here (d=3), so \(a_{22}=31+21\times3=94\). The (22)nd term includes (21) differences.
Step 2
Why this answer is correct
The correct answer is D. (94). Here (d=3), so \(a_{22}=31+21\times3=94\). The (22)nd term includes (21) differences.
Step 3
Exam Tip
यहाँ (d=3) है इसलिए \(a_{22}=31+21\times3=94\)। (22)वें पद में (21) अंतर जुड़ते हैं।
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एपी \(\frac{5}{4},\frac{7}{4},\frac{9}{4},\frac{11}{4},\ldots\) का (9)वाँ पद ज्ञात करें।
Find the (9)th term of the AP \(\frac{5}{4},\frac{7}{4},\frac{9}{4},\frac{11}{4},\ldots\).
#ap
#nth-term
#easy
#class10
A \(\frac{19}{4}\)
B \(\frac{20}{4}\)
C \(\frac{21}{4}\)
D \(\frac{22}{4}\)
Explanation opens after your attempt
Correct Answer
C. \(\frac{21}{4}\)
Step 1
Concept
Here \(d=\frac{1}{2}\), so \(a_9=\frac{5}{4}+8\times\frac{1}{2}=\frac{21}{4}\). Use the fractional difference carefully.
Step 2
Why this answer is correct
The correct answer is C. \(\frac{21}{4}\). Here \(d=\frac{1}{2}\), so \(a_9=\frac{5}{4}+8\times\frac{1}{2}=\frac{21}{4}\). Use the fractional difference carefully.
Step 3
Exam Tip
यहाँ \(d=\frac{1}{2}\) है इसलिए \(a_9=\frac{5}{4}+8\times\frac{1}{2}=\frac{21}{4}\)। भिन्न वाले अंतर को सरल रूप में लें।
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यदि (a=0), (d=11) और (n=11) है तो \(a_n\) क्या होगा?
If (a=0), (d=11), and (n=11), what is \(a_n\)?
#ap
#nth-term
#easy
#class10
A (99)
B (110)
C (111)
D (121)
Explanation opens after your attempt
Step 1
Concept
\(a_{11}=0+10\times11=110\). Even when the first term is (0), use (n-1).
Step 2
Why this answer is correct
The correct answer is B. (110). \(a_{11}=0+10\times11=110\). Even when the first term is (0), use (n-1).
Step 3
Exam Tip
\(a_{11}=0+10\times11=110\)। प्रथम पद (0) होने पर भी (n-1) ही लेते हैं।
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एपी \(200,190,180,170,\ldots\) का (16)वाँ पद क्या है?
What is the (16)th term of the AP \(200,190,180,170,\ldots\)?
#ap
#nth-term
#easy
#class10
A (40)
B (50)
C (60)
D (70)
Explanation opens after your attempt
Step 1
Concept
Here (d=-10), so (a_{16}=200+15(-10)=50). Watch the sign even with large terms.
Step 2
Why this answer is correct
The correct answer is B. (50). Here (d=-10), so (a_{16}=200+15(-10)=50). Watch the sign even with large terms.
Step 3
Exam Tip
यहाँ (d=-10) है इसलिए (a_{16}=200+15(-10)=50)। बड़े पदों में भी चिह्न पर ध्यान दें।
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यदि एपी का (4)था पद (21) और (d=6) है तो (10)वाँ पद क्या होगा?
If the (4)th term of an AP is (21) and (d=6), what is the (10)th term?
#ap
#nth-term
#easy
#class10
A (53)
B (55)
C (57)
D (59)
Explanation opens after your attempt
Step 1
Concept
The (10)th term is (6d) after the (4)th term, so (21+36=57). Use the difference in term numbers directly.
Step 2
Why this answer is correct
The correct answer is C. (57). The (10)th term is (6d) after the (4)th term, so (21+36=57). Use the difference in term numbers directly.
Step 3
Exam Tip
(10)वाँ पद (4)थे पद से (6d) आगे है इसलिए (21+36=57)। पद संख्या का अंतर सीधे उपयोग करें।
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एपी \(5,14,23,32,\ldots\) का (14)वाँ पद ज्ञात कीजिए।
Find the (14)th term of the AP \(5,14,23,32,\ldots\).
#ap
#nth-term
#easy
#class10
A (118)
B (120)
C (122)
D (124)
Explanation opens after your attempt
Step 1
Concept
Here (d=9), so \(a_{14}=5+13\times9=122\). Use (n-1=13).
Step 2
Why this answer is correct
The correct answer is C. (122). Here (d=9), so \(a_{14}=5+13\times9=122\). Use (n-1=13).
Step 3
Exam Tip
यहाँ (d=9) है इसलिए \(a_{14}=5+13\times9=122\)। (n-1=13) का उपयोग करें।
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एपी \(64,60,56,52,\ldots\) का (18)वाँ पद क्या होगा?
What is the (18)th term of the AP \(64,60,56,52,\ldots\)?
#ap
#nth-term
#easy
#class10
A (-4)
B (-2)
C (0)
D (2)
Explanation opens after your attempt
Step 1
Concept
Here (d=-4), so (a_{18}=64+17(-4)=-4). Add the negative difference (17) times.
Step 2
Why this answer is correct
The correct answer is A. (-4). Here (d=-4), so (a_{18}=64+17(-4)=-4). Add the negative difference (17) times.
Step 3
Exam Tip
यहाँ (d=-4) है इसलिए (a_{18}=64+17(-4)=-4)। (17) बार ऋणात्मक अंतर जोड़ें।
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यदि \(a_6=38\) और (d=5) है तो (13)वाँ पद क्या होगा?
If \(a_6=38\) and (d=5), what is the (13)th term?
#ap
#nth-term
#easy
#class10
A (68)
B (70)
C (73)
D (75)
Explanation opens after your attempt
Step 1
Concept
The (13)th term is (7d) after the (6)th term, so (38+35=73). Count the forward gap correctly.
Step 2
Why this answer is correct
The correct answer is C. (73). The (13)th term is (7d) after the (6)th term, so (38+35=73). Count the forward gap correctly.
Step 3
Exam Tip
(13)वाँ पद (6)वें पद से (7d) आगे है इसलिए (38+35=73)। दिए पद से आगे का अंतर सही गिनें।
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एपी \(1.5,3.0,4.5,6.0,\ldots\) का (8)वाँ पद ज्ञात करें।
Find the (8)th term of the AP \(1.5,3.0,4.5,6.0,\ldots\).
#ap
#nth-term
#easy
#class10
A (10.5)
B (11.0)
C (11.5)
D (12.0)
Explanation opens after your attempt
Step 1
Concept
Here (a=1.5) and (d=1.5), so \(a_8=12.0\). The same formula applies to decimals too.
Step 2
Why this answer is correct
The correct answer is D. (12.0). Here (a=1.5) and (d=1.5), so \(a_8=12.0\). The same formula applies to decimals too.
Step 3
Exam Tip
यहाँ (a=1.5) और (d=1.5) है इसलिए \(a_8=12.0\)। दशमलव में भी वही सूत्र लागू होता है।
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एपी \(11,19,27,35,\ldots\) का (19)वाँ पद क्या है?
What is the (19)th term of the AP \(11,19,27,35,\ldots\)?
#ap
#nth-term
#easy
#class10
A (151)
B (153)
C (155)
D (157)
Explanation opens after your attempt
Step 1
Concept
Here (d=8), so \(a_{19}=11+18\times8=155\). For the (19)th term, add (18d).
Step 2
Why this answer is correct
The correct answer is C. (155). Here (d=8), so \(a_{19}=11+18\times8=155\). For the (19)th term, add (18d).
Step 3
Exam Tip
यहाँ (d=8) है इसलिए \(a_{19}=11+18\times8=155\)। (19)वें पद के लिए (18d) जोड़ें।
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यदि (a=18) और (d=-7) है तो (6)वाँ पद क्या होगा?
If (a=18) and (d=-7), what is the (6)th term?
#ap
#nth-term
#easy
#class10
A (-17)
B (-15)
C (-13)
D (-11)
Explanation opens after your attempt
Step 1
Concept
(a_6=18+5(-7)=-17). In a decreasing AP, the answer can be negative.
Step 2
Why this answer is correct
The correct answer is A. (-17). (a_6=18+5(-7)=-17). In a decreasing AP, the answer can be negative.
Step 3
Exam Tip
(a_6=18+5(-7)=-17)। घटती एपी में उत्तर ऋणात्मक भी हो सकता है।
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एपी \(-20,-15,-10,-5,\ldots\) में (15)वाँ पद क्या होगा?
What is the (15)th term in the AP \(-20,-15,-10,-5,\ldots\)?
#ap
#nth-term
#easy
#class10
A (45)
B (48)
C (50)
D (55)
Explanation opens after your attempt
Step 1
Concept
Here (d=5), so \(a_{15}=-20+14\times5=50\). Do not get confused by the negative start.
Step 2
Why this answer is correct
The correct answer is C. (50). Here (d=5), so \(a_{15}=-20+14\times5=50\). Do not get confused by the negative start.
Step 3
Exam Tip
यहाँ (d=5) है इसलिए \(a_{15}=-20+14\times5=50\)। ऋणात्मक शुरुआत से भ्रमित न हों।
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एपी \(13,23,33,43,\ldots\) का (12)वाँ पद ज्ञात करें।
Find the (12)th term of the AP \(13,23,33,43,\ldots\).
#ap
#nth-term
#easy
#class10
A (121)
B (123)
C (125)
D (127)
Explanation opens after your attempt
Step 1
Concept
Here (d=10), so \(a_{12}=13+11\times10=123\). The (12)th term includes (11) common differences.
Step 2
Why this answer is correct
The correct answer is B. (123). Here (d=10), so \(a_{12}=13+11\times10=123\). The (12)th term includes (11) common differences.
Step 3
Exam Tip
यहाँ (d=10) है इसलिए \(a_{12}=13+11\times10=123\)। (12)वें पद में (11) सार्व अंतर जुड़ते हैं।
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यदि \(a_3=16\) और (d=7) है तो (8)वाँ पद क्या होगा?
If \(a_3=16\) and (d=7), what is the (8)th term?
#ap
#nth-term
#easy
#class10
A (49)
B (51)
C (53)
D (55)
Explanation opens after your attempt
Step 1
Concept
The (8)th term is (5d) after the (3)rd term, so (16+35=51). Count the gap between terms.
Step 2
Why this answer is correct
The correct answer is B. (51). The (8)th term is (5d) after the (3)rd term, so (16+35=51). Count the gap between terms.
Step 3
Exam Tip
(8)वाँ पद (3)रे पद से (5d) आगे है इसलिए (16+35=51)। पदों के बीच का अंतर गिनें।
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एपी \(100,97,94,91,\ldots\) का (25)वाँ पद क्या है?
What is the (25)th term of the AP \(100,97,94,91,\ldots\)?
#ap
#nth-term
#easy
#class10
A (28)
B (30)
C (32)
D (34)
Explanation opens after your attempt
Step 1
Concept
Here (d=-3), so (a_{25}=100+24(-3)=28). Up to the (25)th term, (24) differences are added.
Step 2
Why this answer is correct
The correct answer is A. (28). Here (d=-3), so (a_{25}=100+24(-3)=28). Up to the (25)th term, (24) differences are added.
Step 3
Exam Tip
यहाँ (d=-3) है इसलिए (a_{25}=100+24(-3)=28)। (25)वें पद तक (24) अंतर जुड़ते हैं।
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यदि (a=7), (d=12) और (n=8) है तो \(a_n\) क्या है?
If (a=7), (d=12), and (n=8), what is \(a_n\)?
#ap
#nth-term
#easy
#class10
A (89)
B (91)
C (93)
D (95)
Explanation opens after your attempt
Step 1
Concept
\(a_8=7+7\times12=91\). When (n=8), (7d) is added.
Step 2
Why this answer is correct
The correct answer is B. (91). \(a_8=7+7\times12=91\). When (n=8), (7d) is added.
Step 3
Exam Tip
\(a_8=7+7\times12=91\)। (n=8) होने पर (7d) जुड़ता है।
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एपी \(55,52,49,46,\ldots\) का (20)वाँ पद ज्ञात करें।
Find the (20)th term of the AP \(55,52,49,46,\ldots\).
#ap
#nth-term
#easy
#class10
A (-4)
B (-2)
C (0)
D (2)
Explanation opens after your attempt
Step 1
Concept
Here (d=-3), so (a_{20}=55+19(-3)=-2). For the (20)th term, add (19d).
Step 2
Why this answer is correct
The correct answer is B. (-2). Here (d=-3), so (a_{20}=55+19(-3)=-2). For the (20)th term, add (19d).
Step 3
Exam Tip
यहाँ (d=-3) है इसलिए (a_{20}=55+19(-3)=-2)। (20)वें पद के लिए (19d) जोड़ें।
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एपी \(25,31,37,43,\ldots\) का (10)वाँ पद क्या होगा?
What is the (10)th term of the AP \(25,31,37,43,\ldots\)?
#ap
#nth-term
#easy
#class10
A (73)
B (75)
C (77)
D (79)
Explanation opens after your attempt
Step 1
Concept
Here (d=6), so \(a_{10}=25+9\times6=79\). The (10)th term has (9) differences.
Step 2
Why this answer is correct
The correct answer is D. (79). Here (d=6), so \(a_{10}=25+9\times6=79\). The (10)th term has (9) differences.
Step 3
Exam Tip
यहाँ (d=6) है इसलिए \(a_{10}=25+9\times6=79\)। (10)वें पद में (9) अंतर होते हैं।
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यदि एपी का प्रथम पद (-12) और सार्व अंतर (5) है तो (16)वाँ पद क्या होगा?
If the first term of an AP is (-12) and the common difference is (5), what is the (16)th term?
#ap
#nth-term
#easy
#class10
A (61)
B (63)
C (65)
D (67)
Explanation opens after your attempt
Step 1
Concept
\(a_{16}=-12+15\times5=63\). First calculate (15d), then add the first term.
Step 2
Why this answer is correct
The correct answer is B. (63). \(a_{16}=-12+15\times5=63\). First calculate (15d), then add the first term.
Step 3
Exam Tip
\(a_{16}=-12+15\times5=63\)। पहले (15d) निकालें फिर प्रथम पद जोड़ें।
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एपी \(2,11,20,29,\ldots\) का (18)वाँ पद ज्ञात कीजिए।
Find the (18)th term of the AP \(2,11,20,29,\ldots\).
#ap
#nth-term
#easy
#class10
A (151)
B (153)
C (155)
D (157)
Explanation opens after your attempt
Step 1
Concept
Here (d=9), so \(a_{18}=2+17\times9=155\). Use the same formula even for a large term number.
Step 2
Why this answer is correct
The correct answer is C. (155). Here (d=9), so \(a_{18}=2+17\times9=155\). Use the same formula even for a large term number.
Step 3
Exam Tip
यहाँ (d=9) है इसलिए \(a_{18}=2+17\times9=155\)। बड़ी पद संख्या में भी वही सूत्र लगाएं।
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एपी \(90,82,74,66,\ldots\) का (9)वाँ पद क्या है?
What is the (9)th term of the AP \(90,82,74,66,\ldots\)?
#ap
#nth-term
#easy
#class10
A (24)
B (26)
C (28)
D (30)
Explanation opens after your attempt
Step 1
Concept
Here (d=-8), so (a_9=90+8(-8)=26). Keep the sign of the common difference correct.
Step 2
Why this answer is correct
The correct answer is B. (26). Here (d=-8), so (a_9=90+8(-8)=26). Keep the sign of the common difference correct.
Step 3
Exam Tip
यहाँ (d=-8) है इसलिए (a_9=90+8(-8)=26)। सार्व अंतर का चिह्न सही रखें।
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यदि \(a_5=27\) और (d=4) है तो (11)वाँ पद क्या होगा?
If \(a_5=27\) and (d=4), what is the (11)th term?
#ap
#nth-term
#easy
#class10
A (47)
B (49)
C (51)
D (53)
Explanation opens after your attempt
Step 1
Concept
The (11)th term is (6d) after the (5)th term, so (27+24=51). Moving ahead from the given term is quick.
Step 2
Why this answer is correct
The correct answer is C. (51). The (11)th term is (6d) after the (5)th term, so (27+24=51). Moving ahead from the given term is quick.
Step 3
Exam Tip
(11)वाँ पद (5)वें पद से (6d) आगे है इसलिए (27+24=51)। दिए पद से आगे बढ़ना तेज तरीका है।
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एपी \(\frac{1}{3},\frac{2}{3},1,\frac{4}{3},\ldots\) का (12)वाँ पद ज्ञात करें।
Find the (12)th term of the AP \(\frac{1}{3},\frac{2}{3},1,\frac{4}{3},\ldots\).
#ap
#nth-term
#easy
#class10
A (3)
B \(\frac{10}{3}\)
C \(\frac{11}{3}\)
D (4)
Explanation opens after your attempt
Step 1
Concept
Here \(a=\frac{1}{3}\) and \(d=\frac{1}{3}\), so \(a_{12}=4\). Keep denominators common in fractions.
Step 2
Why this answer is correct
The correct answer is D. (4). Here \(a=\frac{1}{3}\) and \(d=\frac{1}{3}\), so \(a_{12}=4\). Keep denominators common in fractions.
Step 3
Exam Tip
यहाँ \(a=\frac{1}{3}\) और \(d=\frac{1}{3}\) है इसलिए \(a_{12}=4\)। भिन्नों में हर समान रखें।
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एपी \(15,22,29,36,\ldots\) का (17)वाँ पद क्या होगा?
What is the (17)th term of the AP \(15,22,29,36,\ldots\)?
#ap
#nth-term
#easy
#class10
A (125)
B (127)
C (129)
D (131)
Explanation opens after your attempt
Step 1
Concept
Here (d=7), so \(a_{17}=15+16\times7=127\). For the (17)th term, add (16) differences.
Step 2
Why this answer is correct
The correct answer is B. (127). Here (d=7), so \(a_{17}=15+16\times7=127\). For the (17)th term, add (16) differences.
Step 3
Exam Tip
यहाँ (d=7) है इसलिए \(a_{17}=15+16\times7=127\)। (17)वें पद के लिए (16) अंतर जोड़ें।
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यदि (a=80), (d=-5) और (n=14) हो तो \(a_n\) ज्ञात करें।
If (a=80), (d=-5), and (n=14), find \(a_n\).
#ap
#nth-term
#easy
#class10
A (10)
B (15)
C (20)
D (25)
Explanation opens after your attempt
Step 1
Concept
(a_{14}=80+13(-5)=15). Write negative (d) in brackets.
Step 2
Why this answer is correct
The correct answer is B. (15). (a_{14}=80+13(-5)=15). Write negative (d) in brackets.
Step 3
Exam Tip
(a_{14}=80+13(-5)=15)। ऋणात्मक (d) को कोष्ठक में लिखें।
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एपी \(4,12,20,28,\ldots\) का (15)वाँ पद क्या है?
What is the (15)th term of the AP \(4,12,20,28,\ldots\)?
#ap
#nth-term
#easy
#class10
A (108)
B (112)
C (116)
D (120)
Explanation opens after your attempt
Step 1
Concept
Here (a=4) and (d=8), so \(a_{15}=4+14\times8=116\). Keep (n-1) correct.
Step 2
Why this answer is correct
The correct answer is C. (116). Here (a=4) and (d=8), so \(a_{15}=4+14\times8=116\). Keep (n-1) correct.
Step 3
Exam Tip
यहाँ (a=4) और (d=8) है इसलिए \(a_{15}=4+14\times8=116\)। (n-1) को सही रखें।
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यदि किसी एपी का प्रथम पद (9) और सार्व अंतर (10) है तो (7)वाँ पद क्या होगा?
If the first term of an AP is (9) and the common difference is (10), what is the (7)th term?
#ap
#nth-term
#easy
#class10
A (59)
B (69)
C (79)
D (89)
Explanation opens after your attempt
Step 1
Concept
\(a_7=9+6\times10=69\). For the (7)th term, (6d) is added.
Step 2
Why this answer is correct
The correct answer is B. (69). \(a_7=9+6\times10=69\). For the (7)th term, (6d) is added.
Step 3
Exam Tip
\(a_7=9+6\times10=69\)। (7)वें पद के लिए (6d) जोड़ना होता है।
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एपी \(72,66,60,54,\ldots\) में (8)वाँ पद क्या होगा?
What is the (8)th term in the AP \(72,66,60,54,\ldots\)?
#ap
#nth-term
#easy
#class10
A (24)
B (28)
C (30)
D (36)
Explanation opens after your attempt
Step 1
Concept
Here (d=-6), so (a_8=72+7(-6)=30). For the (8)th term, add (7d).
Step 2
Why this answer is correct
The correct answer is C. (30). Here (d=-6), so (a_8=72+7(-6)=30). For the (8)th term, add (7d).
Step 3
Exam Tip
यहाँ (d=-6) है इसलिए (a_8=72+7(-6)=30)। (8)वें पद के लिए (7d) जोड़ें।
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एपी \(-4,2,8,14,\ldots\) का (13)वाँ पद ज्ञात करें।
Find the (13)th term of the AP \(-4,2,8,14,\ldots\).
#ap
#nth-term
#easy
#class10
A (64)
B (66)
C (68)
D (70)
Explanation opens after your attempt
Step 1
Concept
Here (d=6), so \(a_{13}=-4+12\times6=68\). Add carefully when the first term is negative.
Step 2
Why this answer is correct
The correct answer is C. (68). Here (d=6), so \(a_{13}=-4+12\times6=68\). Add carefully when the first term is negative.
Step 3
Exam Tip
यहाँ (d=6) है इसलिए \(a_{13}=-4+12\times6=68\)। ऋणात्मक प्रथम पद के साथ जोड़ सावधानी से करें।
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यदि (a=6) और (d=8) है तो (12)वाँ पद क्या होगा?
If (a=6) and (d=8), what is the (12)th term?
#ap
#nth-term
#easy
#class10
A (88)
B (92)
C (94)
D (96)
Explanation opens after your attempt
Step 1
Concept
\(a_{12}=6+11\times8=94\). Up to the (12)th term, (11) differences are added.
Step 2
Why this answer is correct
The correct answer is C. (94). \(a_{12}=6+11\times8=94\). Up to the (12)th term, (11) differences are added.
Step 3
Exam Tip
\(a_{12}=6+11\times8=94\)। (12)वें पद तक (11) अंतर जुड़ते हैं।
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एपी \(45,41,37,33,\ldots\) का (10)वाँ पद क्या है?
What is the (10)th term of the AP \(45,41,37,33,\ldots\)?
#ap
#nth-term
#easy
#class10
A (9)
B (11)
C (13)
D (15)
Explanation opens after your attempt
Step 1
Concept
Here (d=-4), so (a_{10}=45+9(-4)=9). In a decreasing AP, take (d) as negative.
Step 2
Why this answer is correct
The correct answer is A. (9). Here (d=-4), so (a_{10}=45+9(-4)=9). In a decreasing AP, take (d) as negative.
Step 3
Exam Tip
यहाँ (d=-4) है इसलिए (a_{10}=45+9(-4)=9)। घटती एपी में (d) ऋणात्मक लें।
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एपी \(3,8,13,18,\ldots\) का (9)वाँ पद ज्ञात कीजिए।
Find the (9)th term of the AP \(3,8,13,18,\ldots\).
#ap
#nth-term
#easy
#class10
A (38)
B (40)
C (43)
D (45)
Explanation opens after your attempt
Step 1
Concept
Here (a=3) and (d=5), so \(a_9=3+8\times5=43\). First identify the common difference.
Step 2
Why this answer is correct
The correct answer is C. (43). Here (a=3) and (d=5), so \(a_9=3+8\times5=43\). First identify the common difference.
Step 3
Exam Tip
यहाँ (a=3) और (d=5) है इसलिए \(a_9=3+8\times5=43\)। पहले सार्व अंतर पहचानें।
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यदि किसी एपी में (a=14), (d=3) और (n=11) है तो \(a_n\) क्या होगा?
If an AP has (a=14), (d=3), and (n=11), what is \(a_n\)?
#ap
#nth-term
#easy
#class10
A (41)
B (44)
C (47)
D (50)
Explanation opens after your attempt
Step 1
Concept
Using (a_n=a+(n-1)d), \(a_{11}=14+10\times3=44\). In exams, first find (n-1).
Step 2
Why this answer is correct
The correct answer is B. (44). Using (a_n=a+(n-1)d), \(a_{11}=14+10\times3=44\). In exams, first find (n-1).
Step 3
Exam Tip
(a_n=a+(n-1)d) से \(a_{11}=14+10\times3=44\)। परीक्षा में पहले (n-1) निकालें।
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एपी \(\frac{2}{3},\frac{5}{3},\frac{8}{3},\frac{11}{3},\ldots\) का (7)वाँ पद ज्ञात करें।
Find the (7)th term of the AP \(\frac{2}{3},\frac{5}{3},\frac{8}{3},\frac{11}{3},\ldots\).
#ap
#nth-term
#easy
#class10
A \(\frac{18}{3}\)
B \(\frac{19}{3}\)
C \(\frac{20}{3}\)
D \(\frac{21}{3}\)
Explanation opens after your attempt
Correct Answer
C. \(\frac{20}{3}\)
Step 1
Concept
Here (d=1), so \(a_7=\frac{2}{3}+6=\frac{20}{3}\). Convert the whole number into a fraction before adding.
Step 2
Why this answer is correct
The correct answer is C. \(\frac{20}{3}\). Here (d=1), so \(a_7=\frac{2}{3}+6=\frac{20}{3}\). Convert the whole number into a fraction before adding.
Step 3
Exam Tip
यहाँ (d=1) है इसलिए \(a_7=\frac{2}{3}+6=\frac{20}{3}\)। पूर्ण संख्या को भिन्न में बदलकर जोड़ें।
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एपी \(6,6,6,6,\ldots\) का (100)वाँ पद क्या होगा?
What is the (100)th term of the AP \(6,6,6,6,\ldots\)?
#ap
#nth-term
#easy
#class10
A (6)
B (60)
C (100)
D (600)
Explanation opens after your attempt
Step 1
Concept
Here (d=0), so \(a_{100}=6\). In a constant AP, every term is the same.
Step 2
Why this answer is correct
The correct answer is A. (6). Here (d=0), so \(a_{100}=6\). In a constant AP, every term is the same.
Step 3
Exam Tip
यहाँ (d=0) है इसलिए \(a_{100}=6\)। स्थिर एपी में हर पद समान होता है।
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यदि \(a_2=10\) और (d=4) है तो (6)वाँ पद क्या होगा?
If \(a_2=10\) and (d=4), what is the (6)th term?
#ap
#nth-term
#easy
#class10
A (22)
B (24)
C (26)
D (28)
Explanation opens after your attempt
Step 1
Concept
The (6)th term is (4d) after the (2)nd term, so (10+16=26). Solve by moving forward from the given term.
Step 2
Why this answer is correct
The correct answer is C. (26). The (6)th term is (4d) after the (2)nd term, so (10+16=26). Solve by moving forward from the given term.
Step 3
Exam Tip
(6)वाँ पद (2)रे पद से (4d) आगे है इसलिए (10+16=26)। दिए पद से आगे बढ़कर हल करें।
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एपी \(35,30,25,20,\ldots\) का (18)वाँ पद ज्ञात करें।
Find the (18)th term of the AP \(35,30,25,20,\ldots\).
#ap
#nth-term
#easy
#class10
A (-50)
B (-48)
C (-46)
D (-44)
Explanation opens after your attempt
Step 1
Concept
Here (d=-5), so (a_{18}=35+17(-5)=-50). You need to add (-5) seventeen times.
Step 2
Why this answer is correct
The correct answer is A. (-50). Here (d=-5), so (a_{18}=35+17(-5)=-50). You need to add (-5) seventeen times.
Step 3
Exam Tip
यहाँ (d=-5) है इसलिए (a_{18}=35+17(-5)=-50)। (17) बार (-5) जोड़ना है।
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एपी \(1,8,15,22,\ldots\) का (22)वाँ पद क्या है?
What is the (22)nd term of the AP \(1,8,15,22,\ldots\)?
#ap
#nth-term
#easy
#class10
A (146)
B (148)
C (150)
D (152)
Explanation opens after your attempt
Step 1
Concept
Here (d=7), so \(a_{22}=1+21\times7=148\). For the (22)nd term, add (21d).
Step 2
Why this answer is correct
The correct answer is B. (148). Here (d=7), so \(a_{22}=1+21\times7=148\). For the (22)nd term, add (21d).
Step 3
Exam Tip
यहाँ (d=7) है इसलिए \(a_{22}=1+21\times7=148\)। (22)वें पद के लिए (21d) जोड़ें।
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यदि (a=60) और (d=-6) है तो (9)वाँ पद क्या होगा?
If (a=60) and (d=-6), what is the (9)th term?
#ap
#nth-term
#easy
#class10
A (10)
B (12)
C (14)
D (16)
Explanation opens after your attempt
Step 1
Concept
(a_9=60+8(-6)=12). First calculate (8d), then add it to the first term.
Step 2
Why this answer is correct
The correct answer is B. (12). (a_9=60+8(-6)=12). First calculate (8d), then add it to the first term.
Step 3
Exam Tip
(a_9=60+8(-6)=12)। पहले (8d) निकालें फिर प्रथम पद में जोड़ें।
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एपी \(-8,-3,2,7,\ldots\) का (11)वाँ पद ज्ञात करें।
Find the (11)th term of the AP \(-8,-3,2,7,\ldots\).
#ap
#nth-term
#easy
#class10
A (40)
B (42)
C (44)
D (46)
Explanation opens after your attempt
Step 1
Concept
Here (d=5), so \(a_{11}=-8+10\times5=42\). The formula remains the same even with a negative start.
Step 2
Why this answer is correct
The correct answer is B. (42). Here (d=5), so \(a_{11}=-8+10\times5=42\). The formula remains the same even with a negative start.
Step 3
Exam Tip
यहाँ (d=5) है इसलिए \(a_{11}=-8+10\times5=42\)। ऋणात्मक शुरुआत के बाद भी सूत्र वही रहता है।
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एपी \(17,24,31,38,\ldots\) का (6)वाँ पद क्या होगा?
What is the (6)th term of the AP \(17,24,31,38,\ldots\)?
#ap
#nth-term
#easy
#class10
A (50)
B (52)
C (54)
D (56)
Explanation opens after your attempt
Step 1
Concept
Here (d=7), so \(a_6=17+5\times7=52\). The (6)th term has (5) differences.
Step 2
Why this answer is correct
The correct answer is B. (52). Here (d=7), so \(a_6=17+5\times7=52\). The (6)th term has (5) differences.
Step 3
Exam Tip
यहाँ (d=7) है इसलिए \(a_6=17+5\times7=52\)। (6)वें पद में (5) अंतर होते हैं।
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यदि (a=9), (d=6) और (n=13) है तो \(a_n\) ज्ञात करें।
If (a=9), (d=6), and (n=13), find \(a_n\).
#ap
#nth-term
#easy
#class10
A (77)
B (79)
C (81)
D (83)
Explanation opens after your attempt
Step 1
Concept
\(a_{13}=9+12\times6=81\). Use (n-1=12).
Step 2
Why this answer is correct
The correct answer is C. (81). \(a_{13}=9+12\times6=81\). Use (n-1=12).
Step 3
Exam Tip
\(a_{13}=9+12\times6=81\)। (n-1=12) का उपयोग करें।
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एपी \(24,21,18,15,\ldots\) का (19)वाँ पद क्या है?
What is the (19)th term of the AP \(24,21,18,15,\ldots\)?
#ap
#nth-term
#easy
#class10
A (-30)
B (-28)
C (-26)
D (-24)
Explanation opens after your attempt
Step 1
Concept
Here (d=-3), so (a_{19}=24+18(-3)=-30). For the (19)th term, (18d) is added.
Step 2
Why this answer is correct
The correct answer is A. (-30). Here (d=-3), so (a_{19}=24+18(-3)=-30). For the (19)th term, (18d) is added.
Step 3
Exam Tip
यहाँ (d=-3) है इसलिए (a_{19}=24+18(-3)=-30)। (19)वें पद के लिए (18d) जुड़ता है।
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यदि किसी एपी का (3)रा पद (14) और (d=5) है तो (7)वाँ पद क्या होगा?
If the (3)rd term of an AP is (14) and (d=5), what is the (7)th term?
#ap
#nth-term
#easy
#class10
A (29)
B (31)
C (34)
D (36)
Explanation opens after your attempt
Step 1
Concept
The (7)th term is (4d) after the (3)rd term, so (14+20=34). Count the gap between terms correctly.
Step 2
Why this answer is correct
The correct answer is C. (34). The (7)th term is (4d) after the (3)rd term, so (14+20=34). Count the gap between terms correctly.
Step 3
Exam Tip
(7)वाँ पद (3)रे पद से (4d) आगे है इसलिए (14+20=34)। बीच के पदों की संख्या सही गिनें।
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एपी \(\frac{3}{2},\frac{5}{2},\frac{7}{2},\frac{9}{2},\ldots\) का (8)वाँ पद क्या है?
What is the (8)th term of the AP \(\frac{3}{2},\frac{5}{2},\frac{7}{2},\frac{9}{2},\ldots\)?
#ap
#nth-term
#easy
#class10
A \(\frac{15}{2}\)
B \(\frac{17}{2}\)
C \(\frac{19}{2}\)
D \(\frac{21}{2}\)
Explanation opens after your attempt
Correct Answer
B. \(\frac{17}{2}\)
Step 1
Concept
Here \(a=\frac{3}{2}\) and (d=1), so \(a_8=\frac{17}{2}\). Watch the denominator carefully in fractional terms.
Step 2
Why this answer is correct
The correct answer is B. \(\frac{17}{2}\). Here \(a=\frac{3}{2}\) and (d=1), so \(a_8=\frac{17}{2}\). Watch the denominator carefully in fractional terms.
Step 3
Exam Tip
यहाँ \(a=\frac{3}{2}\) और (d=1) है इसलिए \(a_8=\frac{17}{2}\)। भिन्न वाले पदों में हर को ध्यान से देखें।
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एपी \(12,20,28,36,\ldots\) का (14)वाँ पद ज्ञात करें।
Find the (14)th term of the AP \(12,20,28,36,\ldots\).
#ap
#nth-term
#easy
#class10
A (112)
B (114)
C (116)
D (118)
Explanation opens after your attempt
Step 1
Concept
Here (d=8), so \(a_{14}=12+13\times8=116\). Adding (13d) is correct.
Step 2
Why this answer is correct
The correct answer is C. (116). Here (d=8), so \(a_{14}=12+13\times8=116\). Adding (13d) is correct.
Step 3
Exam Tip
यहाँ (d=8) है इसलिए \(a_{14}=12+13\times8=116\)। (13d) जोड़ना सही है।
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यदि \(a_4=18\) और (d=3) है तो (9)वाँ पद क्या होगा?
If \(a_4=18\) and (d=3), what is the (9)th term?
#ap
#nth-term
#easy
#class10
A (30)
B (31)
C (32)
D (33)
Explanation opens after your attempt
Step 1
Concept
The (9)th term is (5d) after the (4)th term, so (18+15=33). Moving forward from the given term is quick.
Step 2
Why this answer is correct
The correct answer is D. (33). The (9)th term is (5d) after the (4)th term, so (18+15=33). Moving forward from the given term is quick.
Step 3
Exam Tip
(9)वाँ पद (4)वें पद से (5d) आगे है इसलिए (18+15=33)। दिए हुए पद से आगे बढ़ना तेज तरीका है।
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एपी \(21,19,17,15,\ldots\) का (16)वाँ पद क्या है?
What is the (16)th term of the AP \(21,19,17,15,\ldots\)?
#ap
#nth-term
#easy
#class10
A (-9)
B (-7)
C (-5)
D (-3)
Explanation opens after your attempt
Step 1
Concept
Here (d=-2), so (a_{16}=21+15(-2)=-9). Up to the (16)th term, the difference is added (15) times.
Step 2
Why this answer is correct
The correct answer is A. (-9). Here (d=-2), so (a_{16}=21+15(-2)=-9). Up to the (16)th term, the difference is added (15) times.
Step 3
Exam Tip
यहाँ (d=-2) है इसलिए (a_{16}=21+15(-2)=-9)। (16)वें पद तक (15) बार अंतर जुड़ता है।
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यदि एपी का प्रथम पद (-2) और सार्व अंतर (6) है तो (12)वाँ पद क्या होगा?
If the first term of an AP is (-2) and the common difference is (6), what is the (12)th term?
#ap
#nth-term
#easy
#class10
A (62)
B (64)
C (66)
D (68)
Explanation opens after your attempt
Step 1
Concept
\(a_{12}=-2+11\times6=64\). Multiply first and then add (-2).
Step 2
Why this answer is correct
The correct answer is B. (64). \(a_{12}=-2+11\times6=64\). Multiply first and then add (-2).
Step 3
Exam Tip
\(a_{12}=-2+11\times6=64\)। पहले गुणा करें फिर (-2) जोड़ें।
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एपी \(5,10,15,20,\ldots\) का (30)वाँ पद ज्ञात कीजिए।
Find the (30)th term of the AP \(5,10,15,20,\ldots\).
#ap
#nth-term
#easy
#class10
A (145)
B (150)
C (155)
D (160)
Explanation opens after your attempt
Step 1
Concept
Here (a=5) and (d=5), so \(a_{30}=5+29\times5=150\). The formula works quickly for APs with equal multiples.
Step 2
Why this answer is correct
The correct answer is B. (150). Here (a=5) and (d=5), so \(a_{30}=5+29\times5=150\). The formula works quickly for APs with equal multiples.
Step 3
Exam Tip
यहाँ (a=5) और (d=5) है इसलिए \(a_{30}=5+29\times5=150\)। समान गुणकों वाली एपी में सूत्र जल्दी काम करता है।
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एपी \(16,12,8,4,\ldots\) का (10)वाँ पद क्या है?
What is the (10)th term of the AP \(16,12,8,4,\ldots\)?
#ap
#nth-term
#easy
#class10
A (-20)
B (-18)
C (-16)
D (-14)
Explanation opens after your attempt
Step 1
Concept
Here (d=-4), so (a_{10}=16+9(-4)=-20). In decreasing order, the answer can be negative.
Step 2
Why this answer is correct
The correct answer is A. (-20). Here (d=-4), so (a_{10}=16+9(-4)=-20). In decreasing order, the answer can be negative.
Step 3
Exam Tip
यहाँ (d=-4) है इसलिए (a_{10}=16+9(-4)=-20)। घटते क्रम में उत्तर ऋणात्मक भी हो सकता है।
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यदि (a=1) और (d=11) है तो (9)वाँ पद क्या होगा?
If (a=1) and (d=11), what is the (9)th term?
#ap
#nth-term
#easy
#class10
A (87)
B (88)
C (89)
D (90)
Explanation opens after your attempt
Step 1
Concept
\(a_9=1+8\times11=89\). For the (9)th term, (8) differences are added.
Step 2
Why this answer is correct
The correct answer is C. (89). \(a_9=1+8\times11=89\). For the (9)th term, (8) differences are added.
Step 3
Exam Tip
\(a_9=1+8\times11=89\)। (9)वें पद के लिए (8) अंतर जुड़ते हैं।
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एपी \(2,9,16,23,\ldots\) में (13)वाँ पद क्या होगा?
What is the (13)th term in the AP \(2,9,16,23,\ldots\)?
#ap
#nth-term
#easy
#class10
A (82)
B (84)
C (86)
D (88)
Explanation opens after your attempt
Step 1
Concept
Here (d=7), so \(a_{13}=2+12\times7=86\). Add (12d) for the correct term number.
Step 2
Why this answer is correct
The correct answer is C. (86). Here (d=7), so \(a_{13}=2+12\times7=86\). Add (12d) for the correct term number.
Step 3
Exam Tip
यहाँ (d=7) है इसलिए \(a_{13}=2+12\times7=86\)। सही पद संख्या के लिए (12d) जोड़ें।
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एपी \(40,36,32,28,\ldots\) का (15)वाँ पद ज्ञात करें।
Find the (15)th term of the AP \(40,36,32,28,\ldots\).
#ap
#nth-term
#easy
#class10
A (-20)
B (-18)
C (-16)
D (-14)
Explanation opens after your attempt
Step 1
Concept
Here (d=-4), so (a_{15}=40+14(-4)=-16). The common difference is added (14) times.
Step 2
Why this answer is correct
The correct answer is C. (-16). Here (d=-4), so (a_{15}=40+14(-4)=-16). The common difference is added (14) times.
Step 3
Exam Tip
यहाँ (d=-4) है इसलिए (a_{15}=40+14(-4)=-16)। (14) बार सार्व अंतर जोड़ना है।
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यदि किसी एपी का (5)वाँ पद (22) और (d=6) है तो (8)वाँ पद क्या है?
If the (5)th term of an AP is (22) and (d=6), what is the (8)th term?
#ap
#nth-term
#easy
#class10
A (34)
B (36)
C (38)
D (40)
Explanation opens after your attempt
Step 1
Concept
The (8)th term is (3d) after the (5)th term, so (22+18=40). Counting the gap between terms is an easy method.
Step 2
Why this answer is correct
The correct answer is D. (40). The (8)th term is (3d) after the (5)th term, so (22+18=40). Counting the gap between terms is an easy method.
Step 3
Exam Tip
(8)वाँ पद (5)वें पद से (3d) आगे है इसलिए (22+18=40)। पदों का अंतर गिनना आसान तरीका है।
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