Major Competitive Exams

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Major Competitive Exams

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Major Competitive Exams MCQ & Objective Questions

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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Q. What is the missing number in the sequence: 5, 10, 20, ?, 80 (2021)

A. 30
B. 40
C. 50
D. 60

Solution

The pattern is that each number is multiplied by 2. Thus, 20 * 2 = 40.

Correct Answer: B — 40

Q. What is the mode of heat transfer that occurs through a fluid due to density differences?

A. Conduction
B. Convection
C. Radiation
D. Insulation

Solution

Convection is the mode of heat transfer that occurs through a fluid due to density differences.

Correct Answer: B — Convection

Q. What is the mode of heat transfer that occurs through a fluid without any movement of the fluid itself?

A. Conduction
B. Convection
C. Radiation
D. Diffusion

Solution

Conduction is the mode of heat transfer that occurs through a solid or stationary fluid without any movement of the fluid itself.

Correct Answer: A — Conduction

Q. What is the mode of the data set: 1, 2, 2, 3, 4, 4, 4, 5?

A. 1
B. 2
C. 3
D. 4

Solution

The mode is the number that appears most frequently, which is 4.

Correct Answer: D — 4

Q. What is the mode of the data set: 1, 2, 2, 3, 4?

A. 1
B. 2
C. 3
D. 4

Solution

Mode is the number that appears most frequently. Here, mode = 2.

Correct Answer: B — 2

Q. What is the mode of the data set: 5, 1, 2, 5, 3, 5, 4?

A. 1
B. 2
C. 5
D. 3

Solution

Mode is the number that appears most frequently. Here, mode = 5.

Correct Answer: C — 5

Q. What is the mode of the following data set: 1, 1, 2, 3, 3, 3, 4, 5?

A. 1
B. 2
C. 3
D. 4

Solution

Mode = 3 (most frequent value).

Correct Answer: C — 3

Q. What is the mode of the following data set: 1, 2, 2, 3, 4, 4, 4, 5?

A. 2
B. 3
C. 4
D. 5

Solution

The mode is 4 as it appears most frequently (3 times).

Correct Answer: C — 4

Q. What is the mode of the following data set: 1, 2, 2, 3, 4?

A. 1
B. 2
C. 3
D. 4

Solution

Mode is the number that appears most frequently. Here, mode = 2.

Correct Answer: B — 2

Q. What is the mode of the following data set: 2, 3, 4, 2, 5, 2, 3? (2023)

A. 2
B. 3
C. 4
D. 5

Solution

Mode is the number that appears most frequently. Here, 2 appears 3 times.

Correct Answer: A — 2

Q. What is the mode of the following data set: 2, 3, 4, 4, 5, 5, 5, 6? (2023)

A. 4
B. 5
C. 6
D. 3

Solution

Mode is the number that appears most frequently. Here, 5 appears 3 times.

Correct Answer: B — 5

Q. What is the mode of the following data set: 3, 7, 3, 2, 5, 3, 8? (2023)

A. 2
B. 3
C. 5
D. 7

Solution

The mode is the number that appears most frequently. Here, 3 appears 3 times, which is more than any other number.

Correct Answer: B — 3

Q. What is the mode of the following data set: 4, 1, 2, 4, 3, 4, 2? (2023)

A. 1
B. 2
C. 3
D. 4

Solution

The number 4 appears most frequently (3 times). Hence, mode = 4.

Correct Answer: D — 4

Q. What is the mode of the following data set: 4, 1, 2, 4, 3, 4, 5? (2019)

A. 1
B. 2
C. 4
D. 5

Solution

The mode is the number that appears most frequently. Here, 4 appears 3 times, so the mode is 4.

Correct Answer: C — 4

Q. What is the mode of the following data set: 5, 6, 7, 5, 8, 5, 9?

A. 5
B. 6
C. 7
D. 8

Solution

Mode is the number that appears most frequently. Here, 5 appears four times.

Correct Answer: A — 5

Q. What is the mode of the following data set: {1, 1, 2, 2, 3, 3, 3, 4}?

A. 1
B. 2
C. 3
D. 4

Solution

Mode is 3 as it appears most frequently (3 times).

Correct Answer: C — 3

Q. What is the mode of the following numbers: 1, 1, 2, 3, 3, 3, 4, 4?

A. 1
B. 2
C. 3
D. 4

Solution

The mode is 3, as it appears 3 times, more than any other number.

Correct Answer: C — 3

Q. What is the mode of the following numbers: 1, 2, 2, 3, 4, 4, 4, 5?

A. 1
B. 2
C. 3
D. 4

Solution

The mode is 4, as it appears 3 times, which is more than any other number.

Correct Answer: D — 4

Q. What is the mode of the following numbers: 2, 3, 3, 4, 4, 5, 5, 5?

A. 2
B. 3
C. 4
D. 5

Solution

The mode is 5, as it appears 3 times, which is more than any other number.

Correct Answer: D — 5

Q. What is the mode of the following numbers: 4, 4, 5, 6, 6, 7, 8?

A. 4
B. 5
C. 6
D. 7

Solution

The mode is 4, as it appears 2 times, which is more than any other number.

Correct Answer: A — 4

Q. What is the mode of the following numbers: {2, 3, 4, 4, 5, 5, 5, 6}?

A. 2
B. 4
C. 5
D. 6

Solution

The mode is 5, as it appears 3 times, more than any other number.

Correct Answer: C — 5

Q. What is the mode of the following numbers: {6, 7, 8, 6, 9, 10, 6, 7}?

A. 6
B. 7
C. 8
D. 9

Solution

The mode is 6, which appears 3 times in the data set.

Correct Answer: A — 6

Q. What is the mode of the numbers: 1, 1, 2, 3, 3, 3, 4, 4?

A. 1
B. 2
C. 3
D. 4

Solution

The mode is 3, as it appears most frequently (three times) in the data set.

Correct Answer: C — 3

Q. What is the modular inverse of 3 modulo 11?

A. 4
B. 7
C. 8
D. 9

Solution

The modular inverse of 3 mod 11 is a number x such that 3x ≡ 1 (mod 11). The solution is x = 4, since 3 * 4 = 12 ≡ 1 (mod 11).

Correct Answer: A — 4

Q. What is the modulus of the complex number 3 + 4i? (2023)

A. 5
B. 7
C. 1
D. 4

Solution

The modulus is calculated as √(3^2 + 4^2) = √(9 + 16) = √25 = 5.

Correct Answer: A — 5

Q. What is the modulus of the complex number z = -3 + 4i?

A. 5
B. 7
C. 3
D. 4

Solution

The modulus |z| = √((-3)^2 + (4)^2) = √(9 + 16) = √25 = 5.

Correct Answer: A — 5

Q. What is the molality of a solution containing 3 moles of KCl dissolved in 1 kg of water?

A. 3 m
B. 1.5 m
C. 2 m
D. 4 m

Solution

Molality (m) = moles of solute / kg of solvent = 3 moles / 1 kg = 3 m.

Correct Answer: A — 3 m

Q. What is the molality of a solution containing 3 moles of solute in 1 kg of solvent? (2022)

A. 3 m
B. 1.5 m
C. 0.5 m
D. 2 m

Solution

Molality (m) = moles of solute / kg of solvent = 3 moles / 1 kg = 3 m.

Correct Answer: A — 3 m

Q. What is the molality of a solution containing 3 moles of solute in 500 g of solvent? (2021)

A. 6 m
B. 3 m
C. 1.5 m
D. 0.5 m

Solution

Molality (m) = moles of solute / kg of solvent = 3 moles / 0.5 kg = 6 m.

Correct Answer: B — 3 m

Q. What is the molality of a solution made by dissolving 10 moles of solute in 5 kg of solvent? (2022)

A. 2 m
B. 1 m
C. 0.5 m
D. 3 m

Solution

Molality (m) = moles of solute / kg of solvent = 10 moles / 5 kg = 2 m.

Correct Answer: A — 2 m

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