1
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
What is the radius of the circle 4x2 + 4y2 - 20x + 12y - 15 = 0?
2
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
A chord subtends an angle 120° at the centre of a unit circle. What is the length of the chord?
Questions Asked from Circle (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