1
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Let R be a relation from A = {1, 2, 3, 4} to B= {1, 3, 5} such that R = {(a, b) : a < b, where a$$\in$$A and b$$\in$$B}. What is RoR$$-$$1 equal to?
2
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the number of natural numbers less than or equal to 1000 which are neither divisible by 10 nor 15 nor 25?
3
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Suppose, there is a relation * between the positive numbers x and y given by x * y if and only if x $$\le$$ y2. Then, which one of the following is correct?
4
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Let R be a relation on the set N of natural numbers defined by 'nRm $$\Leftrightarrow$$ n is a factor of m'. Then, which one of the following is correct?
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