Q. In a capacitor, if the plate area is increased while keeping the distance constant, what happens to the capacitance? (2023)
A.
Increases
B.
Decreases
C.
Remains the same
D.
Becomes zero
Solution
Increasing the plate area while keeping the distance constant increases the capacitance, as capacitance is directly proportional to the area of the plates.
Q. In a caselet, a company reports profits over three years: Year 1: $50,000, Year 2: $70,000, Year 3: $90,000. What is the average profit over these three years?
A.
$60,000
B.
$70,000
C.
$80,000
D.
$90,000
Solution
The average profit is ($50,000 + $70,000 + $90,000) / 3 = $70,000.
Q. In a caselet, a survey shows that 60% of people prefer tea, 30% prefer coffee, and 10% prefer juice. If 200 people were surveyed, how many prefer coffee?
A.
30
B.
60
C.
70
D.
80
Solution
30% of 200 people prefer coffee, which is 0.30 * 200 = 60.
Q. In a certain city, the probability of a person being a smoker is 0.3. If two people are selected at random, what is the probability that both are smokers?
A.
0.09
B.
0.21
C.
0.3
D.
0.6
Solution
The probability that both are smokers is 0.3 * 0.3 = 0.09.
Q. In a certain class, the ratio of boys to girls is 3:2. If there are 30 boys, how many girls are there?
A.
20
B.
25
C.
15
D.
10
Solution
If the ratio of boys to girls is 3:2, then for every 3 boys, there are 2 girls. If there are 30 boys, we can set up the proportion: 3/2 = 30/x. Solving for x gives us x = 20. Therefore, there are 20 girls.
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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