1
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Let A = {x $$\in$$ R :- 1 $$\le$$ x $$\le$$ 1}, B = {y$$\in$$R :- 1 $$\le$$ y $$\le$$ 1} and S be the subset of A $$\times$$ B, defined by S = {(x, y) $$\in$$ A $$\times$$ B : x2 + y2 = 1}. Which one of the following is correct?
2
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Let A and B be subsets of X and C = (A $$\cap$$ B') $$\cap$$ (A' $$\cap$$ B), where A' and B' are complements of A and B respectively in X. What is C equal to?
3
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
In a class, 54 students are good in Hindi only, 63 students are good in Mathematics only and 41 students are good in English only. There are 18 students who are good in both Hindi and Mathematics. 10 students are good in all three subjects.
What is the number of students who are good in either Hindi or Mathematics but not English?
4
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
In a class, 54 students are good in Hindi only, 63 students are good in Mathematics only and 41 students are good in English only. There are 18 students who are good in both Hindi and Mathematics. 10 students are good in all three subjects.
What is the number of students who are good in Hindi and Mathematics but not in English?
Questions Asked from Sets, Relations and Functions (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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