1
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Let a, b and c be three vectors such that a + b + c = 0 and | a | = 10, | b | = 6 and | c | = 14.
What is the angle between a and b?
2
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
In a right-angled triangle ABC, if the hypotenuse AB = p, then what is AB . AC + BC . BA + CA . CB equal to ?
3
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A force $$F = 3\widehat i + 2\widehat j - 4\widehat k$$ is applied at the point (1, $$-$$ 1, 2). What is the moment of the force about the point (2, $$-$$1, 3) ?
4
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is a vector of unit length orthogonal to both the vectors $$\widehat i + \widehat j + \widehat k$$ and $$2\widehat i + 3\widehat j - \widehat k$$ ?
Questions Asked from Vector Algebra (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