1
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If A and B are two events, then what is the probability of occurrence of either event A or event B ?
2
NDA Mathematics 13 April 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Consider the following for the two (02) items that follow:
Let X be a random variable following binomial distribution with parameters n = 6 and p = k Further, 9P(X = 4) = P(X = 2) .
Let X be a random variable following binomial distribution with parameters n = 6 and p = k Further, 9P(X = 4) = P(X = 2) .
What is the value of k?
3
NDA Mathematics 13 April 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Consider the following for the two (02) items that follow:
Let X be a random variable following binomial distribution with parameters n = 6 and p = k Further, 9P(X = 4) = P(X = 2) .
Let X be a random variable following binomial distribution with parameters n = 6 and p = k Further, 9P(X = 4) = P(X = 2) .
What is the value of P * (X = 3) ^ 0
4
NDA Mathematics 13 April 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Consider the following for the two (02) items that follow:
A committee of 6 members is formed from a group of 7 gentlemen and 4 ladies.
A committee of 6 members is formed from a group of 7 gentlemen and 4 ladies.
What is the probability that the committee includes exactly 3 gentlemen?
Questions Asked from Probability (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
NDA Mathematics 13 April 2025 (11)
NDA Mathematics 1st September 2024 (13)
NDA Mathematics 21 April 2024 (11)
NDA Mathematics 3 September 2023 (13)
NDA Mathematics 16 April 2023 (8)
NDA Mathematics 4 September 2022 (12)
NDA Mathematics 10 April 2022 (7)
NDA Mathematics 14 November 2021 (8)
NDA Mathematics 18 April 2021 (5)
NDA Subjects
Mathematics
Algebra
Sets, Relations and Functions Logarithms Quadratic Equations and Inequalities Sequence And Series Binomial Theorem Matrices Determinants Permutations and Combinations Probability Complex Numbers Vector Algebra Three Dimensional Geometry Statistics
Trigonometry
Trigonometric Angles and Equations Inverse Trigonometric Function Height and Distance Properties of Triangles
Coordinate Geometry
Calculus
English
General Studies