1
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Let A $$\cup$$ B = {x | (x $$-$$ a) (x $$-$$ b) > 0, where a < b}. What are A nd B equal to?
2
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If A = {x : 0 $$\le$$ x $$\le$$ 2} and B = {y : y is a prime number}, then what is A $$\cap$$ B equal to?
3
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
In a school, 50% students play cricket and 40% play football. If 10% of students play both these games, then what per cent of students play neither cricket not football?
4
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If a set A contains 3 elements and another set B contains 6 elements, then what is the minimum number of elements that (A $$\cup$$ B) can have?
Questions Asked from Sets, Relations and Functions (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
NDA Mathematics 13 April 2025 (1)
NDA Mathematics 1st September 2024 (4)
NDA Mathematics 21 April 2024 (4)
NDA Mathematics 3 September 2023 (5)
NDA Mathematics 16 April 2023 (2)
NDA Mathematics 4 September 2022 (9)
NDA Mathematics 10 April 2022 (6)
NDA Mathematics 14 November 2021 (4)
NDA Mathematics 18 April 2021 (4)
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