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Mathematics (NDA)

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Q. If the mean of a data set is 10 and the number of observations is 5, what is the sum of the observations?
  • A. 50
  • B. 40
  • C. 30
  • D. 20
Q. If the mean of a data set is 15 and the standard deviation is 5, what is the variance? (2022)
  • A. 10
  • B. 15
  • C. 20
  • D. 25
Q. If the mean of a data set is 20 and the standard deviation is 5, what is the variance?
  • A. 10
  • B. 15
  • C. 20
  • D. 25
Q. If the mean of a data set is 20 and there are 10 values, what is the total sum of the values?
  • A. 200
  • B. 150
  • C. 100
  • D. 250
Q. If the mean of a data set is 20 and there are 5 values, what is the total sum of the values? (2022)
  • A. 100
  • B. 80
  • C. 60
  • D. 40
Q. If the mean of a data set is 30 and the standard deviation is 5, what is the variance? (2023)
  • A. 10
  • B. 15
  • C. 20
  • D. 25
Q. If the mean of a data set is 50 and the standard deviation is 10, what is the variance? (2023)
  • A. 50
  • B. 100
  • C. 150
  • D. 200
Q. If the mean of a data set is 50 and the variance is 25, what is the standard deviation? (2019)
  • A. 5
  • B. 10
  • C. 15
  • D. 20
Q. If the mean of a dataset is 50 and there are 10 numbers, what is the total sum of the numbers? (2021)
  • A. 500
  • B. 600
  • C. 550
  • D. 450
Q. If the mean of a set of 10 numbers is 50, what is the mean if one number is increased by 10? (2021)
  • A. 50
  • B. 51
  • C. 52
  • D. 53
Q. If the mean of a set of numbers is 12 and there are 6 numbers in the set, what is the total sum of the numbers?
  • A. 60
  • B. 72
  • C. 84
  • D. 96
Q. If the mean of a set of numbers is 12 and there are 6 numbers, what is the total sum of the numbers?
  • A. 60
  • B. 72
  • C. 84
  • D. 96
Q. If the mean of a set of numbers is 12 and there are 8 numbers in the set, what is the total sum of the numbers?
  • A. 96
  • B. 100
  • C. 80
  • D. 88
Q. If the mean of a set of numbers is 25 and there are 12 numbers in the set, what is the total sum of the numbers?
  • A. 300
  • B. 250
  • C. 275
  • D. 325
Q. If the mean of a set of numbers is 25 and there are 8 numbers, what is the total of these numbers? (2022)
  • A. 150
  • B. 200
  • C. 250
  • D. 300
Q. If the mean of a set of numbers is 30 and the total number of elements is 6, what is the total sum of the elements? (2023)
  • A. 180
  • B. 150
  • C. 120
  • D. 200
Q. If the mean of a set of numbers is 50 and there are 5 numbers, what is the total sum of the numbers? (2020)
  • A. 200
  • B. 250
  • C. 300
  • D. 350
Q. If the mean of five numbers is 20, what is their total sum? (2020)
  • A. 80
  • B. 100
  • C. 120
  • D. 140
Q. If the mean of the first five prime numbers is 6, what is the sum of these numbers? (2020)
  • A. 30
  • B. 25
  • C. 35
  • D. 20
Q. If the mean of the first n natural numbers is 10, what is the value of n?
  • A. 20
  • B. 19
  • C. 18
  • D. 15
Q. If the mean of the first n natural numbers is 15, what is the value of n? (2019)
  • A. 29
  • B. 30
  • C. 31
  • D. 32
Q. If the mean of the following data set is 20: 15, 18, 22, x, 25, what is the value of x? (2019)
  • A. 20
  • B. 22
  • C. 24
  • D. 26
Q. If the median of the data set 2, 3, 5, 7, 9 is 5, what is the mode of the data set 2, 3, 3, 5, 7, 9?
  • A. 2
  • B. 3
  • C. 5
  • D. 7
Q. If the median of the data set 3, 7, 5, 9, 11 is x, what is the value of x? (2022)
  • A. 5
  • B. 7
  • C. 6
  • D. 8
Q. If the median of the data set 3, 7, 8, 12, x is 8, what is the value of x? (2022)
  • A. 6
  • B. 8
  • C. 10
  • D. 12
Q. If the median of the data set 3, 7, 9, 15, 20 is x, what is the value of x? (2022)
  • A. 7
  • B. 9
  • C. 15
  • D. 20
Q. If the median of the data set 3, 7, 9, x, 15 is 9, what is the value of x? (2022)
  • A. 8
  • B. 9
  • C. 10
  • D. 11
Q. If the mode of the following numbers: 3, 3, 4, 5, 5, 5, 6, 7 is removed, what will be the new mode? (2019)
  • A. 3
  • B. 4
  • C. 5
  • D. 6
Q. If the mode of the following set of numbers: 1, 2, 2, 3, 4, 4, 4, 5 is increased by 1, what will be the new mode? (2022)
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Q. If the numbers 8, 3, 5, 12, and 7 are given, what is the median? (2022)
  • A. 5
  • B. 7
  • C. 8
  • D. 12
Showing 661 to 690 of 1593 (54 Pages)

Mathematics (NDA) MCQ & Objective Questions

Mathematics plays a crucial role in the NDA exam, as it tests your analytical and problem-solving skills. Practicing Mathematics (NDA) MCQ and objective questions is essential for scoring better in this competitive environment. By focusing on practice questions, you can identify important questions and enhance your exam preparation effectively.

What You Will Practise Here

  • Algebra: Understanding equations, inequalities, and functions.
  • Geometry: Key concepts of shapes, angles, and theorems.
  • Trigonometry: Important ratios, identities, and applications.
  • Statistics: Basics of mean, median, mode, and standard deviation.
  • Probability: Fundamental principles and problem-solving techniques.
  • Calculus: Introduction to limits, derivatives, and integrals.
  • Mensuration: Formulas for areas and volumes of various shapes.

Exam Relevance

The Mathematics (NDA) syllabus is relevant not only for the NDA exam but also for various other competitive exams like CBSE, State Boards, NEET, and JEE. In these exams, you will often encounter multiple-choice questions that test your understanding of mathematical concepts. Common question patterns include direct application of formulas, problem-solving scenarios, and conceptual understanding, making it essential to practice regularly.

Common Mistakes Students Make

  • Misinterpreting the question: Students often overlook key details in the problem statement.
  • Formula errors: Forgetting or misapplying mathematical formulas can lead to incorrect answers.
  • Calculation mistakes: Simple arithmetic errors can cost valuable marks.
  • Neglecting units: Failing to consider units in problems involving measurements.
  • Rushing through questions: Students may skip steps or fail to double-check their work under time pressure.

FAQs

Question: What are the best ways to prepare for Mathematics (NDA) MCQs?
Answer: Regular practice with objective questions, understanding key concepts, and solving previous years' papers are effective strategies.

Question: How can I improve my speed in solving Mathematics (NDA) questions?
Answer: Time yourself while practicing and focus on solving simpler problems quickly to build speed and confidence.

Start solving Mathematics (NDA) MCQs today to test your understanding and boost your confidence for the exams. Remember, consistent practice is the key to success!

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