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NDA MCQ & Objective Questions

The National Defence Academy (NDA) exam is a crucial stepping stone for students aspiring to join the Indian Armed Forces. It tests not only knowledge but also the ability to apply concepts effectively. Practicing NDA MCQs and objective questions is essential for enhancing your exam preparation, as it helps in identifying important questions and boosts confidence in tackling various subjects.

What You Will Practise Here

  • Mathematics: Key concepts, formulas, and problem-solving techniques.
  • General Knowledge: Current affairs, history, and geography relevant to NDA.
  • English: Grammar, comprehension, and vocabulary exercises.
  • Physics: Fundamental principles and application-based questions.
  • Chemistry: Important definitions, reactions, and theoretical concepts.
  • Logical Reasoning: Techniques for solving puzzles and analytical questions.
  • Military History: Significant events and figures in Indian military history.

Exam Relevance

The NDA exam is not only significant for aspiring defence candidates but also aligns with various school and competitive exams like CBSE, State Boards, NEET, and JEE. Questions often follow a pattern that includes multiple-choice formats, requiring students to apply their knowledge effectively. Understanding the common question types and formats will enhance your readiness for these exams.

Common Mistakes Students Make

  • Misinterpreting questions due to lack of careful reading.
  • Overlooking important formulas in Mathematics and Physics.
  • Confusing similar concepts in Chemistry and General Knowledge.
  • Neglecting to practice logical reasoning, leading to time management issues.
  • Failing to revise key definitions and terms in English and other subjects.

FAQs

Question: What are NDA MCQ questions?
Answer: NDA MCQ questions are multiple-choice questions designed to test your knowledge and understanding of various subjects relevant to the NDA exam.

Question: How can I prepare for NDA objective questions with answers?
Answer: Regular practice of NDA objective questions, along with reviewing answers and explanations, will help solidify your understanding and improve your performance.

Question: What are some important NDA questions for exams?
Answer: Important NDA questions often cover key concepts in Mathematics, General Knowledge, English, and Science, focusing on application and analytical skills.

Start your journey towards success by solving NDA practice MCQs today! Testing your understanding through these objective questions will not only prepare you for the exam but also build your confidence to excel.

Q. If a machine has an efficiency of 80% and it does 400 J of useful work, how much energy was supplied to the machine? (2023)
  • A. 500 J
  • B. 400 J
  • C. 320 J
  • D. 600 J
Q. If a matrix has more columns than rows, it is called a: (2022)
  • A. Row matrix
  • B. Column matrix
  • C. Rectangular matrix
  • D. Square matrix
Q. If a matrix is both upper triangular and lower triangular, what type of matrix is it? (2020)
  • A. Zero matrix
  • B. Identity matrix
  • C. Diagonal matrix
  • D. Square matrix
Q. If a matrix is diagonal, what can be said about its non-diagonal elements? (2020)
  • A. They are all zero
  • B. They are all one
  • C. They can be any value
  • D. They are negative
Q. If a matrix is diagonal, which of the following must be true? (2020)
  • A. All elements are zero
  • B. Only diagonal elements are non-zero
  • C. All elements are equal
  • D. It is a square matrix
Q. If a matrix is said to be orthogonal, what property does it have?
  • A. All elements are zero
  • B. Transpose is equal to its inverse
  • C. All diagonal elements are equal
  • D. It is a square matrix
Q. If a matrix is said to be skew-symmetric, what must be true about its elements? (2023)
  • A. All elements are zero
  • B. a_ij = -a_ji
  • C. a_ij = a_ji
  • D. All diagonal elements are zero
Q. If a matrix is symmetric, what can be said about its elements? (2021)
  • A. Aij = Aji
  • B. Aij = -Aji
  • C. Aij = 0
  • D. Aij = Aii
Q. If a matrix is symmetric, what property does it have?
  • A. A = A^T
  • B. A = -A
  • C. A^2 = I
  • D. A = 0
Q. If a matrix is symmetric, which of the following must be true? (2021)
  • A. A = A^T
  • B. A = -A^T
  • C. A^2 = I
  • D. A^T = 0
Q. If a meal contains 40 grams of carbohydrates, 10 grams of protein, and 5 grams of fat, how many total calories does it provide? (Carbohydrates = 4 cal/g, Protein = 4 cal/g, Fat = 9 cal/g)
  • A. 210 calories
  • B. 230 calories
  • C. 250 calories
  • D. 270 calories
Q. If a meal contains 50 grams of carbohydrates, 20 grams of protein, and 10 grams of fat, what is the total caloric value of the meal? (Carbohydrates = 4 cal/g, Protein = 4 cal/g, Fat = 9 cal/g) (2023)
  • A. 320 calories
  • B. 350 calories
  • C. 370 calories
  • D. 400 calories
Q. If a measurement is recorded as 0.00456 m, how many significant figures are in this measurement?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Q. If a measurement is recorded as 12.30 cm, what is the absolute error if the true value is 12.5 cm?
  • A. 0.2 cm
  • B. 0.3 cm
  • C. 0.1 cm
  • D. 0.4 cm
Q. If a member of Parliament serves a term of 5 years and is re-elected for another term, how many years will they serve in total?
  • A. 5
  • B. 10
  • C. 15
  • D. 20
Q. If a member of Parliament serves a term of 5 years, how many terms can a member serve in 20 years?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Q. If a member of the Rajya Sabha serves a term of 6 years, how many members can be elected in a year if 1/3 of the members retire every 2 years and there are 245 members?
  • A. 40
  • B. 41
  • C. 42
  • D. 43
Q. If a member of the Rajya Sabha serves a term of 6 years, how many members will complete their term in a year if there are 245 members?
  • A. 40
  • B. 41
  • C. 42
  • D. 43
Q. If a military base has 150 soldiers and each soldier consumes 2.5 kg of food per week, how much food is required for the base for 4 weeks? (2022)
  • A. 1500 kg
  • B. 1200 kg
  • C. 1000 kg
  • D. 600 kg
Q. If a military base has a budget of $10,000 and spends $2,500 per month, how many months can it sustain its operations? (2023)
  • A. 2 months
  • B. 3 months
  • C. 4 months
  • D. 5 months
Q. If a military vehicle travels at a speed of 60 km/h, how far will it travel in 2.5 hours? (2021)
  • A. 120 km
  • B. 150 km
  • C. 180 km
  • D. 200 km
Q. If a military vehicle travels at a speed of 60 km/h, how long will it take to cover a distance of 180 km? (2021)
  • A. 2 hours
  • B. 3 hours
  • C. 4 hours
  • D. 5 hours
Q. If a missile travels at a speed of 300 m/s, how long will it take to reach a target 1500 meters away? (2020)
  • A. 3 s
  • B. 4 s
  • C. 5 s
  • D. 6 s
Q. If a national budget is increased by 10% each year, what will be the budget after 3 years if the current budget is $500 million?
  • A. $665.5 million
  • B. $600 million
  • C. $550 million
  • D. $750 million
Q. If a national campaign aims to plant 1 million trees in 5 years, how many trees should be planted each year to meet the goal? (2023)
  • A. 200,000
  • B. 250,000
  • C. 300,000
  • D. 150,000
Q. If a national campaign aims to reduce pollution by 15% each year and the current pollution level is 200 units, what will be the pollution level after 2 years? (2020)
  • A. 169
  • B. 170
  • C. 180
  • D. 150
Q. If a national event attracts 1,200 visitors and 25% of them are from abroad, how many visitors are from the country?
  • A. 900
  • B. 300
  • C. 600
  • D. 800
Q. If a national event attracts 1,500 visitors and 30% of them are from abroad, how many visitors are from the country?
  • A. 1,050
  • B. 1,200
  • C. 1,500
  • D. 450
Q. If a national event has 1,200 participants and 15% of them are from abroad, how many participants are from the country? (2022)
  • A. 1,020
  • B. 1,100
  • C. 1,050
  • D. 1,200
Q. If a national event has a 15% increase in attendance each year, what will be the attendance after 2 years if the current attendance is 1,000?
  • A. 1,322
  • B. 1,150
  • C. 1,200
  • D. 1,300
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