More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Choose an answer
sec x tan x
cos
2
x
sin
2
x
sec
2
x
Previous
Skip
Next
Question # 2
A matrix in which the number of rows is not equal to the number of columns is called a
Choose an answer
Diagonal matrix
Rectangular matrix
Square matrix
Scalar matrix
Previous
Skip
Next
Question # 3
Choose an answer
Previous
Skip
Next
Question # 4
The square matrix A is skew Hermitian when (A)'=
Choose an answer
A
A'
-A
A
Previous
Skip
Next
Question # 5
Two cards are drawn at random from a well shuffled pack of cards. The probability that at least one of them is a face card is
Choose an answer
3 / 17
5 / 17
7 / 17
9 / 17
Previous
Skip
Next
Question # 6
Choose an answer
Previous
Skip
Next
Question # 7
Choose an answer
Previous
Skip
Next
Question # 8
The vector i = [1,0] is called unit vector along:
Choose an answer
x-axis
y - axis
z- axis
Botha a and y-axis
Previous
Skip
Next
Question # 9
Choose an answer
Previous
Skip
Next
Question # 10
Range of 3 sin x is ______
Choose an answer
[ -3, 3]
[-1, 1]
R
None of these
Previous
Skip
Next
Question # 11
2
π
+
θ
will have terminal side in Quad
Choose an answer
I
II
III
IV
Previous
Skip
Next
Question # 12
Both the roots of the equation (x - b) (x - c) + (x - c)(x - a) + (x - a)(x - b) = 0 are always
Choose an answer
Positive
Negative
Real
None of these
Previous
Skip
Next
Question # 13
f(x) = ax + b will be an identity function if
Choose an answer
a = 1 , b = 1
a = 1 , b = 0
Previous
Skip
Next
Question # 14
The length of the tangent from (2, 1) to the circle x
2
+ y
2
+ 4y + 3 = 0 is
Choose an answer
Previous
Skip
Next
Question # 15
Choose an answer
Previous
Skip
Next
Question # 16
The different of tan x is
Choose an answer
sec2 x
ln |sec x|
sec2 xdx
-cos ec2 x
Previous
Skip
Next
Question # 17
The period of|sin2x| is
Choose an answer
π/2
-π/2
π
π/3
Previous
Skip
Next
Question # 18
If the elevation of the sun is 30°, then the length of the shadow cast by a tower of 150 ft height is
Choose an answer
Previous
Skip
Next
Question # 19
A combination lock on a suitcase has 3 wheels each labeled with nine digits from 1 to 9. If an opening combination is a particular sequence of three digits with no repeats, the probability of a person guessing the right combination is
Choose an answer
1 / 500
1 / 504
1 / 252
1 / 250
Previous
Skip
Next
Question # 20
Choose an answer
Associative law of multiplication
Commutative law of addition
Commutative law of multiplication
Associative law of addition
Previous
Skip
Next
Question # 21
The equation x2+ y2- 8x+ 6y+ 25= 0 represents
Choose an answer
A circle
A pair of straight lines
A point
None of these
Previous
Skip
Next
Question # 22
Choose an answer
2
6
Previous
Skip
Next
Question # 23
Choose an answer
Previous
Skip
Next
Question # 24
tan(3π/2 +θ)=______;
Choose an answer
tanθ
cotθ
-tanθ
-cotθ
Previous
Skip
Next
Question # 25
Choose an answer
Previous
Skip
Next
Question # 26
If f(x) = ax
2
, and a>0, then the lowest point on the parabola is called.
Choose an answer
Vertex of parabola
Co-ordinates of parabola
Roots of the equation
Coefficient of the equation
Previous
Skip
Next
Question # 27
E-radius corresponding to < B is
Choose an answer
Previous
Skip
Next
Question # 28
x =r cosθ,y= sinθ are the parametric equations of
Choose an answer
Circle
Ellipse
Parabola
Hyoerbola
Previous
Skip
Next
Question # 29
Rank of matrix [1 3 5 0] is
Choose an answer
1
3
2
4
Previous
Skip
Next
Question # 30
The set of integer is
Choose an answer
Finite group
A group w.r.t addition
A group w.r.t multiplication
Not a group
Previous
Skip
Next
Question # 31
Choose an answer
sec 3x + c
- cosec 3x + c
Previous
Skip
Next
Back
