1
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The area of the figure formed by the lines
ax + by + c = 0, ax $$-$$ by + c = 0, ax + by $$-$$ c = 0 and ax $$-$$ by $$-$$ c = 0 is
ax + by + c = 0, ax $$-$$ by + c = 0, ax + by $$-$$ c = 0 and ax $$-$$ by $$-$$ c = 0 is
2
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If a line is perpendicular to the line 5x $$-$$ y = 0 and forms a triangle of area 5 sq units with coordinate axes, then its equation is
3
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The three lines 4x + 4y = 1, 8x $$-$$ 3y = 2, y = 0 are
4
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The line 3x + 4y $$-$$ 24 = 0 intersects the X-axis at A and Y-axis at B. Then, the circumcentre of the $$\Delta$$OAB, where O is the origin, is
Questions Asked from Coordinate System and Straight Line (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