Welcome to JNVMaths.com, your one-stop destination for mastering Chapter 8: Comparison of Quantities, an essential component of your Jawahar Navodaya Vidyalaya (JNV) Class 9 Entrance Exam math preparation. In this comprehensive guide, we'll empower you with a deep understanding of Chapter 8, ensuring that you're well-equipped to tackle this crucial topic effectively.
Chapter 8: Comparison of Quantities - Unveiling the Essentials:
Chapter 8 of the JNV Class 9 entrance exam syllabus, "Comparison of Quantities," is a critical element that assesses your ability to analyze and compare different aspects of mathematical data. This blog aims to demystify this topic, providing you with the knowledge and confidence needed to excel in your upcoming entrance exam.
Our Approach: At JNVMaths.com, our mission is to make your learning journey both seamless and engaging. Here's how we plan to help you succeed:
In-Depth Explanations: We will deconstruct each concept within Chapter 8, offering detailed explanations, illustrative examples, and step-by-step solutions to various types of problems.
Interactive Learning: Stay engaged with interactive quizzes and exercises that allow you to apply what you've learned and assess your progress.
Visual Learning: We believe in the power of visual aids. Expect to find diagrams, charts, and info graphics that simplify complex ideas, making learning enjoyable and effective.
Real-World Applications: Discover how mathematical concepts from Chapter 8 are applied in everyday scenarios, making your learning relevant and practical.
Easy Navigation: Our blog is designed with a user-friendly search function, ensuring you can swiftly find specific topics or questions related to Chapter 8.
Topics We'll Explore: Throughout our blog, we will delve deeply into these essential topics related to Comparison of Quantities in Chapter 8:
Ratio and Proportion: Uncover the fundamentals of ratio and proportion and learn how to apply them in various contexts.
Percentage: Master the art of working with percentages, including calculations, conversions, and real-life applications.
Profit and Loss: Dive into the world of profit and loss, equipping yourself with problem-solving strategies.
Discount and Tax: Understand the intricacies of discount and tax and their impact on pricing and calculations.
Interest: Explore different types of interest, such as simple and compound interest, and their relevance in financial transactions.
Unitary Method: Discover the unitary method and its practical applications in solving real-world problems.
Statistics and Data Interpretation: Learn how to analyze and interpret data, including mean, median, mode, and other statistical concepts.
1. साइकिल की गति 12 किमी प्रति घंटा और स्कूटर की गति 36 किमी प्रति घंटा का अनुपात है
a) 1:2
b) 1:3
c) 1:4
d) उपरोक्त में से कोई नही
उत्तर: (b)
2. 10 मीटर से 10 किमी का अनुपात है:
ए) 1/10
बी) 1/100
सी) 1/1000
डी) 1000
उत्तर: (सी)
3. 3:4 का प्रतिशत है:
a) 75%
b) 50%
c) 25%
d) 100%
उत्तर: (a)
4. 2:5 का प्रतिशत
a) 20%
b) 50%
c) 60%
d) 40%
उत्तर: (d)
5. यदि 20 विद्यार्थियों में से 50% विद्यार्थी विज्ञान में अच्छे हैं। तो विज्ञान में अच्छे छात्रों की संख्या है:
a) 10
b) 15
c) 5
d) 11
उत्तर: (a)
6. एक मोटरसाइकिल की कीमत रु. पिछले साल 34,000. इस साल इसमें 20 फीसदी का इजाफा हुआ है. अब मोटरसाइकिल की कीमत है:
a) रु. 36,000
बी) रु. 38,800
ग) रु. 40,800
घ) रु. 32,000
उत्तर: (सी)
7. एक वस्तु जिस पर रुपये अंकित है। 840 रुपये में बिका है. 714. छूट % है:
a) 10%
b) 15%
c) 20%
d) 25%
उत्तर: (b)
8. एक व्यक्ति के वेतन में 10% की वृद्धि हुई। यदि उसका वेतन रु. 50000 है, तो नया वेतन है:
a) रु. 55000
b) रु. 60000
c) रु. 45000
d) रु. 65000
उत्तर: (a)
9. वस्तु का मूल्य रु. 15500 और रु. इसकी मरम्मत पर 500 रुपए खर्च हुए। यदि इसे 15% लाभ पर बेचा जाता है। वस्तु का विक्रय मूल्य है:
a) रु.16400
b) रु.17400
c) रु.18400
d) रु.19400
उत्तर: (c)
10. वहीदा ने 100 रुपये में एक एयर कूलर खरीदा। 10% टैक्स सहित 3300 रु. वैट जोड़ने से पहले एयर कूलर की कीमत है:
a) रु. 2000
b) रु. 3000
c) रु. 2500
d) रु. 2800
उत्तर: (b)
1. The ratio of the speed of a bicycle 12 km per hour and the speed of a scooter 36 km per hour is
a) 1:2
b) 1:3
c) 1:4
d) none of the above
Answer: (B)
2. The ratio of 10 meters to 10 km is:
A) 1/10
B) 1/100
c) 1/1000
D) 1000
Answer: (c)
3. The percentage of 3:4 is:
a) 75%
b) 50%
c) 25%
d) 100%
Answer: (A)
4. Percentage of 2:5
a) 20%
b) 50%
c) 60%
d) 40%
Answer: (D)
5. If out of 20 students, 50% are good in science. So the number of students good in science is:
a) 10
b) 15
c) 5
d) 11
Answer: (A)
6. A motorcycle costs Rs. Last year 34,000. This year it has increased by 20 percent. Now the price of the motorcycle is:
a) Rs. 36,000
B) Rs. 38,800
c) Rs. 40,800
d) Rs. 32,000
Answer: (c)
7. An item marked with Rs. Sold for Rs 840. 714. The discount % is:
a) 10%
b) 15%
c) 20%
d) 25%
Answer: (B)
8. A person's salary increased by 10%. If his salary is Rs. 50000, then the new salary is:
a) Rs. 55000
B) Rs. 60000
c) Rs. 45000
d) Rs. 65000
Answer: (A)
9. The price of the item is Rs. 15500 and Rs. Rs 500 were spent on its repair. If it is sold at 15% profit. The selling price of the article is:
a) Rs.16400
b) Rs.17400
c) Rs.18400
d) Rs.19400
Answer: (c)
10. Waheeda bought an air cooler for Rs 100. Rs 3300 including 10% tax. The price of air cooler before adding VAT is:
a) Rs. 2000
B) Rs. 3000
c) Rs. 2500
d) Rs. 2800
Answer: (B)
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