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 FunctionsLogarithmsQuadratic Equations and InequalitiesSequence And SeriesBinomial TheoremMatricesDeterminantsPermutations and CombinationsProbabilityComplex NumbersVector AlgebraThree Dimensional GeometryStatistics
Trigonometry
Trigonometric Angles and EquationsInverse Trigonometric FunctionHeight and DistanceProperties of Triangles
Coordinate Geometry
Calculus
English
General Studies