1
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If the angles of a triangle ABC are in AP and b : c = $${\sqrt 3 }$$ : $${\sqrt 2 }$$, then what is the measure of angle A ?
2
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If the angles of a triangle ABC are in the ratio 1 : 2 : 3, then the corresponding sides are in the ratio
3
NDA Mathematics 21 April 2024
MCQ (Single Correct Answer)
+2.5
-0.83
$ABC$ is a triangle such that angle $C = 60^{\circ}$, then what is $\frac{\cos A + \cos B}{\cos \left(\frac{A - B}{2}\right)}$ equal to?
4
NDA Mathematics 21 April 2024
MCQ (Single Correct Answer)
+2.5
-0.83
In a triangle $ABC$, $AB=16 \text{ cm}, BC=63 \text{ cm}$ and $AC=65 \text{ cm}$. What is the value of $\cos 2A+\cos 2B+\cos 2C$?
Questions Asked from Properties of Triangles (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