1
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Three digits are chosen at random from 1, 2, 3, 4, 5, 6, 7, 8 and 9 without repeating any digit. What is the probability that the product is odd?
2
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Two events A and B are such that P (not B) = 0.8, P (A $$\cup$$ B) = 0.5 and P (A / B) = 0.4. Then, P(A) is equal to
3
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If mean and variance of a binomial variate X are 2 and 1 respectively, then the probability that X takes a value greater than 1, is
4
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Seven unbiased coins are tossed 128 times. In how many throws would you find at least three heads?
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