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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
The complement of set A relative to universal set U is the set
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Question # 2
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Question # 3
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none of these
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Question # 4
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Question # 5
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(-1, 2)
(-1, 1)
(1, 2)
{-1}
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Question # 6
(1 + 2x)
4
= ______
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1 + 4x + 6x
2
+ 4x
3
+ x
4
1 - 4x + 6x
2
- 4x
3
+ x
4
1 - 8x + 24x
2
- 32x
3
+ 16x
4
1 + 8x+ 24x
2
+ 32x
3
+ 16x
4
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Question # 7
The set {{a,b}} is
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Infinite set
Singleton set
Two points set
None
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Question # 8
A function whose range is just one element is called
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One-one function
Constant function
Onto function
Identity function
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Question # 9
If f(x) = x
2
then f(-2) is
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-2
2
4
-4
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Question # 10
The distance of the point (-2, -3) from the origin is
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2
-5
-3
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Question # 11
Which symbolic notation represent unary operation ?
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-
∨
∧
⇔
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Question # 12
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Question # 13
If x
3
+ 4x
3
- 2x +5 is divided by x - 1, then the reminder is
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8
6
4
None of these
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Question # 14
Sine is a periodic function and its period is ______
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π
s
2
π
4
π
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Question # 15
A square matrix A for which A
t
= -A is called a
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Column matrix
Symmetric matrix
Skew-symmetric matrix
Row matrix
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Question # 16
f(x) = sin x is:
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an odd function
an even function
an implicit function
an exponential function
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Question # 17
The distance of the point (2,3) from origin is
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5
2
3
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Question # 18
The set Q
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Forms a group under addition
Does not form a group
Contains no additive indentity
Contains no additive inverse
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Question # 19
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a = 4, b = 1
a = 1, b = -4
a = 0, b = 4
a = 2, b = 4
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Question # 20
E-radius corresponding to < A is
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Question # 21
If (2,0) is the vertex and y-axis is directrix of parabola then focus is
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(2,0)
(-2,0)
(4,0)
(-4,0)
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Question # 22
The points (5, -4, 2),(4, -3, 1),(7, -6, 4),(8, -7, 5) are vertices of a
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Square
Parallelogram
Rectangle
Rhombus
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Question # 23
The radius of the circle x
2
+ y
2
- 6 x + 4 y +13 = 0 , is
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1
2
0
None of these
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Question # 24
The span of a standard parabola depends upon
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x
a
y
y2
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Question # 25
Which of the following ordered pair is a solution of the inequality x+2y<6?
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(2,3)
(2,2)
(6,0)
(1,1)
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Question # 26
A tower subtends an angle
α
at a point on the same level as the root of the tower and at a second point, b meters above the first, the angle of depression of the foot of the tower is
β
. The height of the tower is
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b cot
α
tan
β
b tan
α
tan
β
b tan
α
cot
β
None of these
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Question # 27
∫x/Sin
2
x dx is equal to:
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x cot x + ln|sinx |
-x cot x - ln|sinx |
x cot x - ln|sinx |
x. tan x- ln|secx |
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Question # 28
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Question # 29
In set builder notation the set {0, 1, 2, ............, 100} can be written as
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Question # 30
xy= 2 is:
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a constant function
an identity function
an improper function
implicit function
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Question # 31
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sin h x
cos h x
sec h x
cosec h x
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