1
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the two circles $${(x - 1)^2} + {(y - 3)^2} = {r^2}$$ and $${x^2} + {y^2} - 8x + 2y + 8 = 0$$
What is the distance between the centres of the two circles?
2
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the two circles $${(x - 1)^2} + {(y - 3)^2} = {r^2}$$ and $${x^2} + {y^2} - 8x + 2y + 8 = 0$$
If the circles intersect at two distinct points, then which one of the following is correct?
3
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider a circle passing through the origin and the points (a, b) and ($$-$$b, $$-$$a).
On which line does the centre of the circle lie?
4
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider a circle passing through the origin and the points (a, b) and ($$-$$b, $$-$$a).
What is the sum of the squares of the intercepts cut-off by the circle on the axes?
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