Q. The ratio of the number of cats to dogs in a shelter is 4:3. If there are 28 cats, how many dogs are there?
A.
21
B.
24
C.
18
D.
20
Solution
The ratio of cats to dogs is 4:3. If there are 28 cats, we can set up the proportion: 4/3 = 28/x. Solving for x gives us x = 21. Therefore, there are 21 dogs.
Q. The ratio of the speeds of two cars is 3:4. If the faster car travels 120 km in 2 hours, how far does the slower car travel in the same time?
A.
80
B.
90
C.
100
D.
70
Solution
Let the speeds be 3x and 4x. Given 4x = 60 km/h, x = 15. Therefore, slower car's speed = 3x = 3*15 = 45 km/h. Distance = speed * time = 45 * 2 = 90 km.
Q. The ratio of the speeds of two cars is 3:4. If the first car travels 120 km in 2 hours, how far does the second car travel in the same time?
A.
160
B.
180
C.
200
D.
150
Solution
Speed of first car = 120 km / 2 hours = 60 km/h. Let speed of second car = 4x. 3x = 60, x = 20. Therefore, speed of second car = 4*20 = 80 km/h. Distance = speed * time = 80 * 2 = 160 km.
Q. The ratio of the speeds of two cars is 3:4. If the first car travels 120 km, how far does the second car travel?
A.
160
B.
150
C.
180
D.
140
Solution
Let the speed of the first car be 3x and the second car be 4x. The distance traveled is proportional to speed. Therefore, if 3x = 120, then 4x = (4/3)*120 = 160.
Q. The recent study on urban pollution indicates that cities with more green spaces have lower levels of air pollution. Which of the following can be inferred from this study?
A.
Urban pollution is solely caused by industrial activities.
B.
Increasing green spaces in cities can help reduce air pollution.
C.
All cities with low air pollution have abundant green spaces.
D.
Air pollution has no correlation with urban planning.
Solution
The study suggests a correlation between green spaces and lower pollution levels, implying that increasing green spaces could help reduce pollution.
Correct Answer:
B
— Increasing green spaces in cities can help reduce air pollution.
Q. The report states that 'increased screen time is linked to higher rates of anxiety among teenagers.' What can be inferred from this statement?
A.
All teenagers with high screen time experience anxiety.
B.
Screen time is the sole cause of anxiety in teenagers.
C.
There is a correlation between screen time and anxiety.
D.
Reducing screen time will eliminate anxiety.
Solution
The statement indicates a correlation between increased screen time and anxiety rates, but does not imply causation or that all teenagers are affected.
Correct Answer:
C
— There is a correlation between screen time and anxiety.
Q. The research findings indicate a significant correlation between sleep quality and cognitive performance, suggesting that improving sleep can lead to ______ outcomes.
A.
detrimental
B.
ambiguous
C.
positive
D.
irrelevant
Solution
The context implies that better sleep leads to better cognitive performance, which is a 'positive' outcome.
Q. The research paper presents a __________ argument for the need to address mental health issues in schools, highlighting both the ethical and practical implications.
A.
flawed
B.
compelling
C.
vague
D.
irrelevant
Solution
The context suggests that the argument is strong and persuasive, making 'compelling' the best choice.
Major Competitive Exams play a crucial role in shaping the academic and professional futures of students in India. These exams not only assess knowledge but also test problem-solving skills and time management. Practicing MCQs and objective questions is essential for scoring better, as they help in familiarizing students with the exam format and identifying important questions that frequently appear in tests.
What You Will Practise Here
Key concepts and theories related to major subjects
Important formulas and their applications
Definitions of critical terms and terminologies
Diagrams and illustrations to enhance understanding
Practice questions that mirror actual exam patterns
Strategies for solving objective questions efficiently
Time management techniques for competitive exams
Exam Relevance
The topics covered under Major Competitive Exams are integral to various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter a mix of conceptual and application-based questions that require a solid understanding of the subjects. Common question patterns include multiple-choice questions that test both knowledge and analytical skills, making it essential to be well-prepared with practice MCQs.
Common Mistakes Students Make
Rushing through questions without reading them carefully
Overlooking the negative marking scheme in MCQs
Confusing similar concepts or terms
Neglecting to review previous years’ question papers
Failing to manage time effectively during the exam
FAQs
Question: How can I improve my performance in Major Competitive Exams? Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.
Question: What types of questions should I focus on for these exams? Answer: Concentrate on important Major Competitive Exams questions that frequently appear in past papers and mock tests.
Question: Are there specific strategies for tackling objective questions? Answer: Yes, practicing under timed conditions and reviewing mistakes can help develop effective strategies.
Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence for your upcoming exams. Remember, consistent practice is the key to mastering Major Competitive Exams!
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