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 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Let Q be the image of the point P($$-$$2, 1, $$-$$5) in the plane 3x $$-$$ 2y + 2z + 1 = 0.
Consider the following statements.

I. The coordinates of Q are (4, $$-$$3, $$-$$1).

II. PQ is the length more than 8 units.

III. The point (1, $$-$$1, $$-$$3) is the mid-point of the line segment PQ and lies on the given plane.

which of the above statements are correct?
A
I and II
B
II and III
C
I and III
D
I, II and III
2
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Let Q be the image of the point P($$-$$2, 1, $$-$$5) in the plane 3x $$-$$ 2y + 2z + 1 = 0.
Consider the following statements.

I. The direction ratios of the segment PQ are <3, $$-$$2, 2>

II. The sum of the squares of direction cosines of the line segment PQ is unity.

Which of the above statements is/are correct?
A
I only
B
II only
C
Both I and II
D
Neither I nor II
3
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A line L passes through the point P(5, $$-$$6, 7) and is parallel to the planes x + y + z = 1 and 2x $$-$$ y $$-$$ 2z = 3.
What are the direction ratios of the line of intersection of the given planes?
A
< 1, 4, 3 >
B
< $$-$$ 1, $$-$$ 4, 3 >
C
< 1, $$-$$4, 3 >
D
< 1, $$-$$4, $$-$$3 >
4
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A line L passes through the point P(5, $$-$$6, 7) and is parallel to the planes x + y + z = 1 and 2x $$-$$ y $$-$$ 2z = 3.
What is the equation of the line L ?
A
$${{x - 5} \over { - 1}} = {{y + 6} \over 4} = {{z - 7} \over { - 3}}$$
B
$${{x + 5} \over { - 1}} = {{y - 6} \over 4} = {{z + 7} \over { - 3}}$$
C
$${{x - 5} \over { - 1}} = {{y + 6} \over { - 4}} = {{z - 7} \over 3}$$
D
$${{x - 5} \over { - 1}} = {{y + 6} \over { - 4}} = {{z - 7} \over { - 3}}$$