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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
The line y = 4x + c touches the hyperbola x
2
- y
2
= 1 if
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Question # 2
Which of the following does not represent absolute value of a vector
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magnitude
length
norm
number
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Question # 3
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sec 3x + c
- cosec 3x + c
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Question # 4
If order of A is m x n, then order of A
t
is
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m x m
n x n
m x n
n x m
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Question # 5
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a = a
a < a
a > a
a
2
= a
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Question # 6
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Question # 7
The distance of the point (2,-3) from y-axis is
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2
-3
1
5
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Question # 8
The solution of differential equation:
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dy/dx+y/x = x
2
is :
4xy = x
4
+ c
4x = x
4
= c
4 y = x
4
+ c
4x=4x
3
+ c
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Question # 9
Which of the following represents a vector
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(x, y)
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Question # 10
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Question # 11
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none of these
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Question # 12
Cot 45° = ______
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Question # 13
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(1, 3)
(-1, -3)
(1, -3)
(-1, 3)
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Question # 14
For the parabola the line through focus and perpendicular to the directrix is called
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Tangent
Vertex
Axis
None
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Question # 15
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Question # 16
If a plane passes through the vertex of a cone then the intersection is
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an ellipse
a hyperbola
a point circle
a parabola
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Question # 17
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Question # 18
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Question # 19
If S is a sample space and event set E = S then P(E) is
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>0
1
<1
0
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Question # 20
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Question # 21
The line Ax + By + C = 0 will touch the circle x
2
+ y
2
=
λ when
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C
2
=
λ
(A
2
+ B
2
)
A
2
=
λ
(A
2
+ C
2
)
B
2
=
λ
(A
2
+ C
2
)
None of these
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Question # 22
The set {1,-1, i, -i} form a group under
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Addition
Multiplication
Subtraction
None
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Question # 23
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I and III quadrants
II and III quadrants
I and II quadrants
II and IV quadrants
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Question # 24
For each natural number n, n (n+1) is
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an even
an odd
multiple of 3
Irrational
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Question # 25
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Question # 26
Every natural number is
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A prime number
An irrational number
An integer
An even number
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Question # 27
i
is equal
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(1 , 0)
(0 , 1)
(1 , 1)
(0 , 0)
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Question # 28
The position vector of the point P(a, b, c) is
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Question # 29
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1
0
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Question # 30
The quadratic formula is
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Question # 31
If the matrices A and B have the order 1 x 10 and 10 x 1 then order of AB is
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1 x 1
1 x 10
10 x 10
10 x 1
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