Algebra
Sets, Relations and Functions
MCQ (Single Correct Answer)
Quadratic Equations and Inequalities
MCQ (Single Correct Answer)
Sequence And Series
MCQ (Single Correct Answer)
Permutations and Combinations
MCQ (Single Correct Answer)
Three Dimensional Geometry
MCQ (Single Correct Answer)
Trigonometry
Trigonometric Angles and Equations
MCQ (Single Correct Answer)
Inverse Trigonometric Function
MCQ (Single Correct Answer)
Height and Distance
MCQ (Single Correct Answer)
Properties of Triangles
MCQ (Single Correct Answer)
Calculus
Limit, Continuity and Differentiability
MCQ (Single Correct Answer)
Application of Derivatives
MCQ (Single Correct Answer)
Indefinite Integration
MCQ (Single Correct Answer)
Definite Integration
MCQ (Single Correct Answer)
Area Under The Curves
MCQ (Single Correct Answer)
Differential Equations
MCQ (Single Correct Answer)
1
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The roots of the equation $$(q - r){x^2} + (r - p)x + (p - q) = 0$$ are
A
$${{(r - p)} \over {(q - r)}},{1 \over 2}$$
B
$${{(p - q)} \over {(q - r)}},1$$
C
$${{(q - r)} \over {(p - q)}},1$$
D
$${{(r - p)} \over {(p - q)}},{1 \over 2}$$
2
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The sum of all real roots of the equation $${\left| {x - 3} \right|^2} + \left| {x - 3} \right| - 2 = 0$$ is
A
2
B
3
C
4
D
6
3
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
It is given that the roots of the equation $${x^2} - 4x - {\log _3}P = 0$$ are real. For this the minimum value of P is
A
$${1 \over {27}}$$
B
$${1 \over {64}}$$
C
$${1 \over {81}}$$
D
1
4
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If $$\alpha$$ and $$\beta$$ are the roots of the equation 3x2 + 2x + 1 = 0, then the equation whose roots are $$\alpha$$ + $$\beta$$$$-$$1 and $$\beta$$ + $$\alpha$$$$-$$1 is
A
3x2 + 8x + 16 = 0
B
3x2 $$-$$ 8x $$-$$ 16 = 0
C
3x2 + 8x $$-$$ 16 = 0
D
x2 + 8x + 16 = 0