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 Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83

Consider the following for the next three (03) items that follow

The Plane 6x + ky + 3z - 12 = 0 where k ≠ 0 meets the coordinate axes at A, B and C respectively. The equation of the sphere passing through the origin and A, B, C is x+ y2 + z2 - 2x - 3y - 4z = 0.

If p is the perpendicular distance from the centre of the sphere to the plane, then which one of the following is correct ?
A
0 < p < 0.5
B
0.5 < p < 1
C
1 < p < 1.5
D
p > 1.5
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83

Consider the following for the next three (03) items that follow

The Plane 6x + ky + 3z - 12 = 0 where k ≠ 0 meets the coordinate axes at A, B and C respectively. The equation of the sphere passing through the origin and A, B, C is x+ y2 + z2 - 2x - 3y - 4z = 0.

What is the equation of the line through the origin and the centre of the sphere ?
A
x = y = z
B
2x = 3y = 4z
C
6x = 3y = 4z
D
6x = 4y = 3z
3
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83

Consider the following for the next two (2) items that follow :

Let the plane $\frac{2x}{k} + \frac{2y}{3} + \frac{z}{3} = 2 $ pass through the point (2, 3, -6).

What are the direction ratios of the normal to the plane ?
A
<3, 2, 1>
B
<2, 3, 6>
C
<6, 3, 2>
D
<1, 2, 3>
4
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83

Consider the following for the next two (2) items that follow :

Let the plane $\frac{2x}{k} + \frac{2y}{3} + \frac{z}{3} = 2 $ pass through the point (2, 3, -6).

If p, q and r are the intercepts made by the plane on the coordinate axes respectively, then what is (p + q + r) equal to ?
A
10
B
11
C
12
D
13