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. In triangle JKL, if JK = 15 cm, KL = 20 cm, and JL = 25 cm, what is the semi-perimeter of the triangle? (2022)
A.
30 cm
B.
25 cm
C.
20 cm
D.
35 cm
Show solution
Solution
Semi-perimeter = (JK + KL + JL) / 2 = (15 + 20 + 25) / 2 = 30 cm.
Correct Answer:
A
— 30 cm
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Q. In triangle JKL, if JK = 15 cm, KL = 20 cm, and JL = 25 cm, what is the semi-perimeter? (2022)
A.
30 cm
B.
25 cm
C.
20 cm
D.
15 cm
Show solution
Solution
Semi-perimeter = (JK + KL + JL) / 2 = (15 + 20 + 25) / 2 = 30 cm.
Correct Answer:
A
— 30 cm
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Q. In triangle JKL, if JK = 15 cm, KL = 20 cm, and JL = 25 cm, what is the type of triangle? (2023)
A.
Equilateral
B.
Isosceles
C.
Scalene
D.
Right-angled
Show solution
Solution
Since 15² + 20² = 25² (225 + 400 = 625), triangle JKL is a right-angled triangle.
Correct Answer:
D
— Right-angled
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Q. In triangle JKL, if JK = 5 cm, KL = 12 cm, and JL = 13 cm, what is the type of triangle? (2023)
A.
Equilateral
B.
Isosceles
C.
Scalene
D.
Right-angled
Show solution
Solution
Since 5² + 12² = 13² (25 + 144 = 169), triangle JKL is a right-angled triangle.
Correct Answer:
D
— Right-angled
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Q. In triangle MNO, if MN = 8 cm, NO = 15 cm, and MO = 17 cm, what is the type of triangle? (2023)
A.
Equilateral
B.
Isosceles
C.
Scalene
D.
Right-angled
Show solution
Solution
Using the Pythagorean theorem, 8² + 15² = 64 + 225 = 289 = 17². Hence, it is a right-angled triangle.
Correct Answer:
D
— Right-angled
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Q. In triangle PQR, if PQ = 10 cm, PR = 24 cm, and QR = 26 cm, what is the area of the triangle? (2019)
A.
120 cm²
B.
240 cm²
C.
60 cm²
D.
80 cm²
Show solution
Solution
Using Heron's formula, s = (10 + 24 + 26) / 2 = 30. Area = √(30(30-10)(30-24)(30-26)) = √(30*20*6*4) = √(4800) = 120 cm².
Correct Answer:
A
— 120 cm²
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Q. In triangle PQR, if PQ = 8 cm, QR = 6 cm, and PR = 10 cm, what is the perimeter of the triangle? (2022)
A.
24 cm
B.
26 cm
C.
22 cm
D.
20 cm
Show solution
Solution
Perimeter = PQ + QR + PR = 8 + 6 + 10 = 24 cm.
Correct Answer:
A
— 24 cm
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Q. In triangle PQR, if PQ = 8 cm, QR = 6 cm, and PR = 10 cm, what is the semi-perimeter of the triangle? (2022)
A.
12 cm
B.
14 cm
C.
16 cm
D.
18 cm
Show solution
Solution
Semi-perimeter = (PQ + QR + PR) / 2 = (8 + 6 + 10) / 2 = 12 cm.
Correct Answer:
B
— 14 cm
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Q. In triangle PQR, if PQ = 8 cm, QR = 6 cm, and PR = 10 cm, what is the semi-perimeter? (2022)
A.
12 cm
B.
14 cm
C.
16 cm
D.
18 cm
Show solution
Solution
Semi-perimeter = (PQ + QR + PR) / 2 = (8 + 6 + 10) / 2 = 12 cm.
Correct Answer:
B
— 14 cm
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Q. In triangle XYZ, if angle X = 45 degrees and angle Y = 45 degrees, what is the length of side XY if side XZ = 10 cm? (2020)
A.
5√2 cm
B.
10 cm
C.
10√2 cm
D.
20 cm
Show solution
Solution
In an isosceles right triangle, the sides opposite the 45-degree angles are equal. Therefore, XY = XZ / √2 = 10 / √2 = 5√2 cm.
Correct Answer:
A
— 5√2 cm
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Q. In triangle XYZ, if angle X = 45 degrees and angle Y = 45 degrees, what is the ratio of the lengths of sides opposite to these angles? (2021)
A.
1:1
B.
1:√2
C.
√2:1
D.
2:1
Show solution
Solution
In an isosceles triangle with angles 45 degrees, the sides opposite these angles are equal, hence the ratio is 1:1.
Correct Answer:
A
— 1:1
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Q. In triangle XYZ, if angle X = 45 degrees and angle Y = 45 degrees, what is the ratio of the sides opposite to these angles? (2021)
A.
1:1
B.
1:√2
C.
√2:1
D.
2:1
Show solution
Solution
In an isosceles triangle with angles 45-45-90, the sides opposite the equal angles are equal, hence the ratio is 1:1.
Correct Answer:
A
— 1:1
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Q. In triangle XYZ, if XY = 12 cm, YZ = 16 cm, and XZ = 20 cm, what is the semi-perimeter? (2020)
A.
24 cm
B.
28 cm
C.
30 cm
D.
32 cm
Show solution
Solution
Semi-perimeter s = (XY + YZ + XZ)/2 = (12 + 16 + 20)/2 = 24 cm.
Correct Answer:
A
— 24 cm
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Q. In triangle XYZ, if XY = 8 cm, YZ = 15 cm, and XZ = 17 cm, what is the length of the longest side? (2020)
A.
8 cm
B.
15 cm
C.
17 cm
D.
Not determinable
Show solution
Solution
The longest side in triangle XYZ is XZ, which measures 17 cm.
Correct Answer:
C
— 17 cm
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Q. In what year did India gain independence and subsequently join the United Nations? (1947)
A.
1947
B.
1948
C.
1950
D.
1952
Show solution
Solution
India gained independence in 1947 and joined the United Nations on October 30, 1948.
Correct Answer:
B
— 1948
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Q. In what year did India gain independence from British rule? (1947)
A.
1942
B.
1945
C.
1947
D.
1950
Show solution
Solution
India gained independence from British rule on August 15, 1947.
Correct Answer:
C
— 1947
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Q. In what year did Nelson Mandela become the President of South Africa? (1994)
A.
1990
B.
1994
C.
1996
D.
1998
Show solution
Solution
Nelson Mandela was inaugurated as President of South Africa on May 10, 1994.
Correct Answer:
B
— 1994
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Q. In what year did the European Union officially come into existence? (1992)
A.
1992
B.
1995
C.
2000
D.
2004
Show solution
Solution
The European Union was officially established by the Maastricht Treaty in 1992.
Correct Answer:
A
— 1992
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Q. In what year did the Rwandan Genocide occur? (1994)
A.
1992
B.
1994
C.
1996
D.
1998
Show solution
Solution
The Rwandan Genocide occurred in 1994, resulting in the deaths of an estimated 800,000 people.
Correct Answer:
B
— 1994
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Q. In what year did the United Kingdom vote to leave the European Union? (2016)
A.
2014
B.
2015
C.
2016
D.
2017
Show solution
Solution
The United Kingdom voted to leave the European Union in a referendum held on June 23, 2016.
Correct Answer:
C
— 2016
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Q. In what year did the United Nations adopt the Universal Declaration of Human Rights? (1948)
A.
1945
B.
1948
C.
1950
D.
1952
Show solution
Solution
The Universal Declaration of Human Rights was adopted on December 10, 1948.
Correct Answer:
B
— 1948
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Q. In what year did the United Nations General Assembly adopt the Universal Declaration of Human Rights? (1948)
A.
1945
B.
1948
C.
1950
D.
1952
Show solution
Solution
The Universal Declaration of Human Rights was adopted on December 10, 1948.
Correct Answer:
B
— 1948
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Q. In which medium does sound travel the slowest?
A.
Air
B.
Water
C.
Steel
D.
Vacuum
Show solution
Solution
Sound travels slowest in air compared to water and solids like steel.
Correct Answer:
A
— Air
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Q. In which type of river does the velocity of water increase as it flows downstream?
A.
Meandering river
B.
Straight river
C.
Braided river
D.
Alluvial river
Show solution
Solution
In a meandering river, the velocity of water generally increases downstream due to the decrease in cross-sectional area and increase in gradient.
Correct Answer:
A
— Meandering river
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Q. In which year did India achieve a GDP growth rate of 8.4% post-COVID? (2021)
A.
2020
B.
2021
C.
2022
D.
2023
Show solution
Solution
India achieved a GDP growth rate of 8.4% in the year 2021 as it recovered from the COVID-19 pandemic.
Correct Answer:
B
— 2021
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Q. In which year did India achieve its highest GDP growth rate in the last decade? (2019)
A.
2018
B.
2019
C.
2020
D.
2021
Show solution
Solution
India achieved its highest GDP growth rate of 8.3% in 2019.
Correct Answer:
B
— 2019
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Q. In which year did India become a Republic? (1950)
A.
1947
B.
1950
C.
1952
D.
1949
Show solution
Solution
India became a Republic on January 26, 1950, when the Constitution came into effect.
Correct Answer:
B
— 1950
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Q. In which year did India gain independence from British rule? (1947)
A.
1942
B.
1945
C.
1947
D.
1950
Show solution
Solution
India gained independence from British rule on August 15, 1947.
Correct Answer:
C
— 1947
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Q. In which year did the Berlin Wall fall, marking a significant event in international relations? (1989)
A.
1987
B.
1989
C.
1991
D.
1993
Show solution
Solution
The Berlin Wall fell on November 9, 1989, symbolizing the end of the Cold War.
Correct Answer:
B
— 1989
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Q. In which year did the Berlin Wall fall, symbolizing the end of the Cold War? (1989)
A.
1987
B.
1989
C.
1991
D.
1993
Show solution
Solution
The Berlin Wall fell on November 9, 1989, marking a significant event in the Cold War.
Correct Answer:
B
— 1989
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