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
The variance of five positive observations is 3.6. If four of the observations are 2, 2, 4, 5 then what is the remaining observation ?
A
4
B
5
C
7
D
9
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
What is the coefficient of mean deviation of 21, 34, 23, 39, 26, 37, 40, 20, 33, 27 (taken from mean)?
A
0.11
B
0.22
C
0.33
D
0.44
3
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 algebraic sum of the deviations of a set of values x1, x2, x3, ⋯, xn measured from 100 is -20 and the algebraic sum of the deviations of the same set of values measured from 92 is 140.

What is the mean of the values?
A
91
B
96
C
98
D
99
4
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 algebraic sum of the deviations of a set of values x1, x2, x3, ⋯, xn measured from 100 is -20 and the algebraic sum of the deviations of the same set of values measured from 92 is 140.

What is the algebraic sum of the deviations of the same set of values measured from 99?
A
0
B
10
C
20
D
40