1
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If the angle between the lines whose direction ratios are (2, $$-$$1, 2) and is $${\pi \over 4}$$, then the smaller value of x is
2
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A variable plane passes through a fixed point (a, b, c) and cuts the axes in A, B, and C respectively. The locus of the centre of the sphere OABC, O being the origin, is
3
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The equation of the plane passing through the line of intersection of the planes x + y + z = 1, 2x + 3y + 4z = 7, and perpendicular to the plane x $$-$$ 5y + 3z = 5 is given by
4
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
A straight line with direction cosines <0, 1, 0> is
Questions Asked from Three Dimensional Geometry (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