Q. In a group of 50 people, 20 are smokers and 30 are non-smokers. If a person is selected at random, what is the probability that the person is a non-smoker given that they are not a smoker?
A.
1
B.
0
C.
1/2
D.
1/3
Solution
If the person is not a smoker, they must be a non-smoker. Therefore, the probability is 1.
Q. In a group of 50 people, 30 like reading fiction, 20 like reading non-fiction, and 5 like both. How many people do not like reading?
A.
15
B.
20
C.
25
D.
10
Solution
The number of people who like reading is |Fiction| + |Non-Fiction| - |Both| = 30 + 20 - 5 = 45. Therefore, those who do not like reading = 50 - 45 = 5.
Q. In a group of 50 people, 30 like tea, 20 like coffee, and 10 like both. What is the probability that a randomly selected person likes either tea or coffee?
A.
0.4
B.
0.6
C.
0.5
D.
0.7
Solution
Using the principle of inclusion-exclusion, the number of people who like either tea or coffee is 30 + 20 - 10 = 40. The probability is 40/50 = 0.8.
Q. In a group of 50 people, 30 like tea, 20 like coffee, and 10 like both. What is the probability that a person chosen at random likes either tea or coffee?
A.
1/2
B.
3/5
C.
4/5
D.
1/5
Solution
Using the principle of inclusion-exclusion, P(Tea or Coffee) = P(Tea) + P(Coffee) - P(Both) = (30/50) + (20/50) - (10/50) = 40/50 = 4/5.
Q. In a group of 6 people, A is sitting next to B, who is sitting next to C. D is sitting at one end and E is sitting at the other end. Who is sitting between A and C?
Q. In a group of friends, A is taller than B but shorter than C. D is shorter than A but taller than E. If E is the shortest, who is the tallest among them? (2023)
Q. In a group of friends, M, N, O, P, and Q are discussing their favorite colors. M likes Blue, N likes Red, O likes Green, P likes Yellow, and Q likes Blue. Who has the same favorite color as M? (2023)
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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