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Defence Exams

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Defence Exams MCQ & Objective Questions

Defence Exams play a crucial role in shaping the future of aspiring candidates in India. These exams not only assess knowledge but also test the ability to apply concepts in real-world scenarios. Practicing MCQs and objective questions is essential for effective exam preparation, as it helps students identify important questions and enhances their understanding of key topics.

What You Will Practise Here

Fundamentals of Defence Studies
Key Historical Events and Their Impact
Important Defence Policies and Strategies
Current Affairs Related to National Security
Basic Concepts of Military Operations
Understanding Defence Technologies
Analysing Defence Budget and Expenditure

Exam Relevance

The topics covered in Defence Exams are highly relevant across various educational boards, including CBSE and State Boards, as well as competitive exams like NEET and JEE. Students can expect questions that focus on historical events, current affairs, and fundamental concepts related to defence. Common question patterns include multiple-choice questions that assess both theoretical knowledge and practical application.

Common Mistakes Students Make

Overlooking current affairs, which are often integrated into exam questions.
Confusing similar historical events or dates, leading to incorrect answers.
Neglecting the importance of definitions and key terms in objective questions.
Relying solely on rote memorization instead of understanding concepts.

FAQs

Question: What types of questions can I expect in Defence Exams?
Answer: You can expect a mix of MCQs covering historical events, current affairs, and fundamental concepts related to defence.

Question: How can I improve my performance in Defence Exams?
Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.

Start your journey towards success by solving practice MCQs today! Testing your understanding will not only boost your confidence but also prepare you for the important Defence Exams ahead.

NDA

Q. What is the median of the following data set: 3, 7, 9, 5, 11?

A. 5
B. 7
C. 9
D. 11

Solution

First, arrange the data in ascending order: 3, 5, 7, 9, 11. The median is the middle value, which is 7.

Correct Answer: B — 7

Q. What is the median of the following data set: 5, 3, 8, 6, 2, 4?

A. 4
B. 5
C. 5.5
D. 6

Solution

Arrange the numbers: 2, 3, 4, 5, 6, 8. The median is the average of the 3rd and 4th values: (4 + 5) / 2 = 4.5.

Correct Answer: C — 5.5

Q. What is the median of the following data: 1, 2, 3, 4, 5, 6, 7, 8?

A. 4
B. 4.5
C. 5
D. 6

Solution

Arrange the numbers: 1, 2, 3, 4, 5, 6, 7, 8. The median is the average of the 4th and 5th values: (4 + 5) / 2 = 4.5.

Correct Answer: B — 4.5

Q. What is the median of the following numbers: 10, 20, 30, 40, 50, 60, 70? (2022)

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

Solution

The numbers are in order. The median is the 4th number, which is 40.

Correct Answer: B — 40

Q. What is the median of the following numbers: 22, 18, 25, 30, 20? (2021)

A. 20
B. 22
C. 25
D. 30

Solution

Arranging the numbers: 18, 20, 22, 25, 30. The median is the middle number, which is 22.

Correct Answer: A — 20

Q. What is the median of the following numbers: 8, 3, 5, 12, 7, 10? (2023)

A. 5
B. 7
C. 8
D. 10

Solution

Arrange the numbers: 3, 5, 7, 8, 10, 12. The median is the average of the 3rd and 4th numbers: (7 + 8) / 2 = 7.5.

Correct Answer: C — 8

Q. What is the median of the following set of numbers: 3, 5, 7, 9, 11? (2022)

A. 5
B. 7
C. 9
D. 8

Solution

To find the median, arrange the numbers in order: 3, 5, 7, 9, 11. The median is the middle number, which is 7.

Correct Answer: B — 7

Q. What is the median of the following set of numbers: 3, 7, 5, 9, 1? (2021)

A. 3
B. 5
C. 7
D. 9

Solution

To find the median, first arrange the numbers in ascending order: 1, 3, 5, 7, 9. The median is the middle number, which is 5.

Correct Answer: B — 5

Q. What is the median of the following set of numbers: 3, 7, 9, 5, 11? (2020)

A. 5
B. 7
C. 9
D. 8

Solution

Arranging the numbers: 3, 5, 7, 9, 11. The median is the middle value, which is 7.

Correct Answer: B — 7

Q. What is the median of the following set: 4, 1, 7, 3, 9, 2? (2022)

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

Solution

Arranging the numbers: 1, 2, 3, 4, 7, 9. The median is the average of the 3rd and 4th numbers: (3 + 4) / 2 = 3.5.

Correct Answer: A — 3

Q. What is the middle term in the expansion of (x + 2)^6?

A. 48
B. 72
C. 80
D. 64

Solution

The middle term in the expansion of (x + 2)^6 is the 4th term, which is C(6, 3)(x)^3(2)^3 = 20 * x^3 * 8 = 160x^3. The coefficient is 160.

Correct Answer: C — 80

Q. What is the minimum age for a candidate to contest for the Lok Sabha elections in India? (2021)

A. 25 years
B. 30 years
C. 21 years
D. 18 years

Solution

According to Article 84 of the Indian Constitution, the minimum age for a candidate to contest for the Lok Sabha is 25 years.

Correct Answer: A — 25 years

Q. What is the minimum age required to be eligible for election as a member of the Lok Sabha in India?

A. 25 years
B. 30 years
C. 21 years
D. 18 years

Solution

According to Article 84 of the Indian Constitution, the minimum age to be a member of the Lok Sabha is 25 years.

Correct Answer: A — 25 years

Q. What is the minimum age required to be eligible for the Lok Sabha elections in India? (2021)

A. 18 years
B. 21 years
C. 25 years
D. 30 years

Solution

According to Article 84 of the Indian Constitution, a person must be at least 25 years old to be eligible for the Lok Sabha elections.

Correct Answer: C — 25 years

Q. What is the minimum age to be eligible for election as a member of the Lok Sabha in India?

A. 25 years
B. 30 years
C. 21 years
D. 18 years

Solution

According to Article 84 of the Indian Constitution, the minimum age to be a member of the Lok Sabha is 25 years.

Correct Answer: A — 25 years

Q. What is the minimum age to be eligible for the Lok Sabha elections in India? (2021)

A. 18 years
B. 21 years
C. 25 years
D. 30 years

Solution

According to Article 84 of the Indian Constitution, a person must be at least 25 years old to be eligible for the Lok Sabha elections.

Correct Answer: C — 25 years

Q. What is the minimum energy required to remove an electron from a hydrogen atom in its ground state? (Ionization energy = 13.6 eV) (2023)

A. 1.6 x 10^-19 J
B. 2.18 x 10^-18 J
C. 13.6 eV
D. 3.2 x 10^-19 J

Solution

The minimum energy required to remove an electron from a hydrogen atom in its ground state is 13.6 eV.

Correct Answer: C — 13.6 eV

Q. What is the minimum value of f(x) = 2x^2 - 8x + 10? (2021)

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

Solution

The minimum occurs at x = -b/(2a) = 8/(2*2) = 2. f(2) = 2(2^2) - 8(2) + 10 = 2.

Correct Answer: A — 1

Q. What is the minimum value of f(x) = 4x^2 - 16x + 15? (2022)

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

Solution

The minimum occurs at x = -b/(2a) = 16/(2*4) = 2. f(2) = 4(2^2) - 16(2) + 15 = 1.

Correct Answer: B — 2

Q. What is the minimum value of the function f(x) = 2x^2 + 4x + 1? (2023)

A. 0
B. 1
C. 2
D. 3

Solution

The vertex is at x = -4/(2*2) = -1. The minimum value is f(-1) = 2(-1)^2 + 4(-1) + 1 = -1.

Correct Answer: B — 1

Q. What is the minimum value of the function f(x) = 3x^2 - 12x + 7? (2019)

A. -5
B. -1
C. 1
D. 5

Solution

The minimum occurs at x = -b/(2a) = 12/(2*3) = 2. f(2) = 3(2^2) - 12(2) + 7 = 1.

Correct Answer: B — -1

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 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

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