The daily work forms the AP \(75,88,101,\ldots\) and \(S_{16}=2760\). Exam tip: treat the daily increase as the common difference.
Step 2
Why this answer is correct
The correct answer is C. (2760). The daily work forms the AP \(75,88,101,\ldots\) and \(S_{16}=2760\). Exam tip: treat the daily increase as the common difference.
Step 3
Exam Tip
दैनिक काम \(75,88,101,\ldots\) समान्तर श्रेणी है और \(S_{16}=2760\)। परीक्षा में दैनिक वृद्धि को सार्व अंतर मानें।
The daily work forms the AP \(55,64,73,\ldots\) and \(S_{18}=2367\). Exam tip: treat the daily increase as the common difference.
Step 2
Why this answer is correct
The correct answer is C. (2367). The daily work forms the AP \(55,64,73,\ldots\) and \(S_{18}=2367\). Exam tip: treat the daily increase as the common difference.
Step 3
Exam Tip
दैनिक काम \(55,64,73,\ldots\) समान्तर श्रेणी है और \(S_{18}=2367\)। परीक्षा में दैनिक वृद्धि को सार्व अंतर मानें।
The daily work forms the AP \(40,48,56,\ldots\) and \(S_{20}=2320\). Exam tip: treat the daily increase as the common difference.
Step 2
Why this answer is correct
The correct answer is C. (2320). The daily work forms the AP \(40,48,56,\ldots\) and \(S_{20}=2320\). Exam tip: treat the daily increase as the common difference.
Step 3
Exam Tip
दैनिक काम \(40,48,56,\ldots\) समान्तर श्रेणी है और \(S_{20}=2320\)। परीक्षा में दैनिक वृद्धि को सार्व अंतर मानें।
The daily work forms the AP \(68,82,96,\ldots\) and \(S_{17}=3060\). Exam tip: treat the daily increase as the common difference.
Step 2
Why this answer is correct
The correct answer is B. (3060). The daily work forms the AP \(68,82,96,\ldots\) and \(S_{17}=3060\). Exam tip: treat the daily increase as the common difference.
Step 3
Exam Tip
दैनिक काम \(68,82,96,\ldots\) समान्तर श्रेणी है और \(S_{17}=3060\)। परीक्षा में दैनिक वृद्धि को सार्व अंतर मानें।
The daily work forms the AP \(32,44,56,\ldots\), and \(S_{14}=1540\). Exam tip: treat the daily increase as the common difference.
Step 2
Why this answer is correct
The correct answer is A. (1540). The daily work forms the AP \(32,44,56,\ldots\), and \(S_{14}=1540\). Exam tip: treat the daily increase as the common difference.
Step 3
Exam Tip
दैनिक काम \(32,44,56,\ldots\) समान्तर श्रेणी है और \(S_{14}=1540\)। परीक्षा में दैनिक वृद्धि को सार्व अंतर मानें।
This is the decreasing AP \(96,90,84,\ldots\), and \(S_{12}=756\). Exam tip: treat a decrease as a negative common difference.
Step 2
Why this answer is correct
The correct answer is C. (756). This is the decreasing AP \(96,90,84,\ldots\), and \(S_{12}=756\). Exam tip: treat a decrease as a negative common difference.
Step 3
Exam Tip
यह घटती समान्तर श्रेणी \(96,90,84,\ldots\) है और \(S_{12}=756\)। परीक्षा में कमी को ऋणात्मक सार्व अंतर मानें।
एक मजदूर पहले दिन (50) ईंटें लगाता है और (10) दिनों में कुल (725) ईंटें लगाता है। यदि हर दिन ईंटों की संख्या समान रूप से बढ़ती है तो दैनिक वृद्धि कितनी है?
This is the decreasing AP \(52,48,44,\ldots\) and \(S_{10}=340\). Exam tip: treat the decrease as a negative common difference.
Step 2
Why this answer is correct
The correct answer is A. (340). This is the decreasing AP \(52,48,44,\ldots\) and \(S_{10}=340\). Exam tip: treat the decrease as a negative common difference.
Step 3
Exam Tip
यह घटती समान्तर श्रेणी \(52,48,44,\ldots\) है और \(S_{10}=340\)। परीक्षा में कमी को ऋणात्मक सार्व अंतर मानें।
This is the AP \(45,42,39,\ldots\), and (S_{12}=6[90+11(-3)]=342). Exam tip: treat the decrease as a negative common difference.
Step 2
Why this answer is correct
The correct answer is C. (342). This is the AP \(45,42,39,\ldots\), and (S_{12}=6[90+11(-3)]=342). Exam tip: treat the decrease as a negative common difference.
Step 3
Exam Tip
यह \(45,42,39,\ldots\) श्रेणी है और (S_{12}=6[90+11(-3)]=342)। परीक्षा में कमी को ऋणात्मक सार्व अंतर मानें।
The eighteenth row has (229) bricks, so the total is (S_{18}=\frac{18}{2}(25+229)=2286). In word problems, convert the pattern into an arithmetic progression.
Step 2
Why this answer is correct
The correct answer is D. (2286). The eighteenth row has (229) bricks, so the total is (S_{18}=\frac{18}{2}(25+229)=2286). In word problems, convert the pattern into an arithmetic progression.
Step 3
Exam Tip
अठारहवीं पंक्ति में (229) ईंटें हैं, इसलिए कुल (S_{18}=\frac{18}{2}(25+229)=2286) है। शब्द-प्रश्न में क्रम को समांतर श्रेणी में बदलें।
The eighteenth row has (143) bricks, so the total is (S_{18}=\frac{18}{2}(24+143)=1503). In word problems, treat rows as terms.
Step 2
Why this answer is correct
The correct answer is D. (1503). The eighteenth row has (143) bricks, so the total is (S_{18}=\frac{18}{2}(24+143)=1503). In word problems, treat rows as terms.
Step 3
Exam Tip
अठारहवीं पंक्ति में (143) ईंटें हैं, इसलिए कुल (S_{18}=\frac{18}{2}(24+143)=1503) है। शब्द-प्रश्न में पंक्तियों को पद मानें।
A. सर्पिल या वृत्ताकार रेखा/Spiral or circular line
Step 1
Concept
Spiral or circular line keeps the eye in a rotating path. In exams identify the path of visual movement.
Step 2
Why this answer is correct
The correct answer is A. सर्पिल या वृत्ताकार रेखा / Spiral or circular line. Spiral or circular line keeps the eye in a rotating path. In exams identify the path of visual movement.
Step 3
Exam Tip
सर्पिल या वृत्ताकार रेखा आंख को घूमते मार्ग में रखती है। परीक्षा में दृश्य गति का मार्ग पहचानें।
A. रूप की गोलाई के अनुसार वक्र रेखाएं बनाकर/By drawing curved lines according to roundness
Step 1
Concept
Curved lines following roundness make the form feel three dimensional. In exams connect form with line direction.
Step 2
Why this answer is correct
The correct answer is A. रूप की गोलाई के अनुसार वक्र रेखाएं बनाकर / By drawing curved lines according to roundness. Curved lines following roundness make the form feel three dimensional. In exams connect form with line direction.
Step 3
Exam Tip
गोलाई के अनुसार वक्र रेखाएं रूप को त्रिआयामी महसूस कराती हैं। परीक्षा में रूप और रेखा दिशा को जोड़ें।
A. योजनाबद्ध निर्माण और माप की समझ/Planned construction and understanding of measurement
Step 1
Concept
Standardized bricks show planned construction and technical uniformity. Link them with urban planning in exams.
Step 2
Why this answer is correct
The correct answer is A. योजनाबद्ध निर्माण और माप की समझ / Planned construction and understanding of measurement. Standardized bricks show planned construction and technical uniformity. Link them with urban planning in exams.
Step 3
Exam Tip
मानकीकृत ईंटें योजनाबद्ध निर्माण और तकनीकी एकरूपता दिखाती हैं। परीक्षा में इन्हें शहरी योजना से जोड़ें।
The use of baked bricks in Harappa shows planned construction. Link it with developed urban life.
Step 2
Why this answer is correct
The correct answer is A. योजनाबद्ध निर्माण / Planned construction. The use of baked bricks in Harappa shows planned construction. Link it with developed urban life.
Step 3
Exam Tip
हड़प्पा में पकी ईंटों का उपयोग योजनाबद्ध निर्माण दिखाता है। इसे विकसित नगरीय जीवन से जोड़ें।
B. माप और निर्माण में समानता/Uniformity in measurement and construction
Step 1
Concept
Standard bricks show organized construction and control. For exams treat Harappan uniformity as important evidence.
Step 2
Why this answer is correct
The correct answer is B. माप और निर्माण में समानता / Uniformity in measurement and construction. Standard bricks show organized construction and control. For exams treat Harappan uniformity as important evidence.
Step 3
Exam Tip
मानक ईंटें संगठित निर्माण और नियंत्रण को दर्शाती हैं। परीक्षा में हड़प्पा की एकरूपता को महत्वपूर्ण प्रमाण मानें।
A. स्थानीय पत्थर की कमी और गंगा डेल्टा की भौगोलिक स्थिति के कारण/Due to shortage of local stone and deltaic geography
Step 1
Concept
In Bengal stone was scarce and clay was available, so brick architecture developed. Exam tip: connect architecture with geographical resources.
Step 2
Why this answer is correct
The correct answer is A. स्थानीय पत्थर की कमी और गंगा डेल्टा की भौगोलिक स्थिति के कारण / Due to shortage of local stone and deltaic geography. In Bengal stone was scarce and clay was available, so brick architecture developed. Exam tip: connect architecture with geographical resources.
Step 3
Exam Tip
बंगाल में पत्थर कम और मिट्टी अधिक उपलब्ध थी इसलिए ईंट स्थापत्य विकसित हुआ। परीक्षा में स्थापत्य को भौगोलिक संसाधनों से जोड़ें।
Baked bricks were commonly used in the Indus Civilization. For exams, connect town construction with baked bricks.
Step 2
Why this answer is correct
The correct answer is A. पकी हुई ईंटें / Baked bricks. Baked bricks were commonly used in the Indus Civilization. For exams, connect town construction with baked bricks.
Step 3
Exam Tip
सिंधु सभ्यता में पकी हुई ईंटों का उपयोग बहुत सामान्य था। परीक्षा में नगर निर्माण और पकी ईंटों को साथ याद रखें।