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 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following can be obtained from an ogive?
A
Mean
B
Median
C
Geometric Mean
D
Mode
2
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
In any discrete series (when all values are not same), if x represents mean deviation about mean and y represents standard deviation, then which one of the following is correct?
A
y $$\ge$$ x
B
y $$\le$$ x
C
x = y
D
x < y
3
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
In which one of the following cases would you expect to get negative correlation?
A
The ages of husbands and wifes
B
Shoe size and intelligence
C
Insurance companies profits and the number of claims they have to pay
D
Amount of rainfall and yield of crop
4
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If the correlation coefficient between x and y is 0.6, covariance is 27 and variance of y is 25, then what is the variance of x?
A
$${9 \over 5}$$
B
$${81 \over 25}$$
C
9
D
81