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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
3x + 4 < 0 is
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inequality
equation
identity
not inequality
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Question # 2
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In(x
2
- x + 1) + c
In(2x - 1) + c
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Question # 3
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-8
8
8i
32
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Question # 4
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Question # 5
The seventh term of (x3+1/x)8is
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71
-22
27
28
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Question # 6
If the intersecting plane is parallel to a generator of the cone, but intersects its one nappe only, the curve obtained is
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an ellipse
a hyperbola
a circle
a parabola
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Question # 7
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Question # 8
QUQ, =
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N
R
W
Z
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Question # 9
If n € N , then n(n+3) is always
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Multiple of 3
Multiple of 6
odd
even
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Question # 10
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0
1
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Question # 11
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Question # 12
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Question # 13
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Scalar matrix
Identity matrix
Null matrix
Symmetric matrix
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Question # 14
The points of intersection of the line y = 2x -3 and the circle x
2
+ y
2
- 3x =2y -3 = 0 are:
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two
three
less thean two
not intersect
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Question # 15
A box containing 10 mangoes out of which 4 are rotter. Two mangoes are taken together from the box. If one of them is found to be good, the probability that the other is also good is
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1 / 3
8 / 15
5 / 13
5 / 9
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Question # 16
The 5th term of (3a-2b)
-1
is
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77b
2
/a
5
16b
2
/243 a
5
17b
4
/43a
5
25b
3
/43a
5
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Question # 17
The set {x +iy / x, y ∈ Q} forms a group under the binary operation of
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Addition
Multiplication
Division
Both addition and multiplication
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Question # 18
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Question # 19
Range of tan x is ______
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[-1, -]
R
Negative real numbers
R - {x | - 1 < x < 1}
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Question # 20
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1
3
2-i
-1
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Question # 21
For all points (x,y) in fourth quadrant
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x > 0 , y < 0
x > 0 , y > 0
x < 0 , y < 0
x < 0 , y > 0
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Question # 22
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none of these
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Question # 23
3/4 is ______
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An odd number
An even number
A natural number
A rational number
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Question # 24
The modulus of a vector
i
-
i
+ k is:
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√3
1
√2
∞
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Question # 25
Which of the following has the same value as i113
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i
-1
-i
1
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Question # 26
The angle of depression of the point at a distance 70 meters from the foot of the tower from the top of the tower is 45
𝜊
.The height of the tower is
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37m
97m
101m
70m
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Question # 27
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cos x + c
-sin x + c
-cos x + c
sin x + c
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Question # 28
The graph of linear equation 2x + 3y = 10
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Parabola
Circle
Hyperbola
Straight line
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Question # 29
The positive value of k for which the equation x2 + kx + 64 = 0 has one of the roots 0
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4
64
8
All values of k
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Question # 30
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Question # 31
The general equation of circle x
3
+ y
3
+ 2gx + 2fy + c = 0 , contains:
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Three independent variables
Two independent conntants
Three indepentent parameters
Three independent constants
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