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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
r + 3 >5 then which is true
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r + 2 > 4
r + 2 < 4
r + 2 = 4
None
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Question # 2
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Question # 3
Period of cosec x is ______
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Question # 4
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Question # 5
In quadratic equation y=ax
3
+bx+c, if b and c are both zero then the graph is
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Symmetric w.r.t.y-axis
Symmetric w.r.t.x-axis
Straight Line
Circle
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Question # 6
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Question # 7
Every natural number is
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A prime number
An irrational number
An integer
An even number
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Question # 8
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Question # 9
When a selection of object is made without paying regard to the order of selection, it is called
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Sequence
Series
Combination
Permutation
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Question # 10
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Improper rational fraction
Proper rational fraction
Polynomial
Equation
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Question # 11
If A = |aij| is (m x n) matrix then transpose of A is of the order
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m x m
m x n
n x n
n x m
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Question # 12
The set of complex numbers forms a group under the binary operation of
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Addition
none of these
Division
Subtraction
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Question # 13
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none of these
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Question # 14
∫ x cos dx is equal to :
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x cos x + sin x
cos x + x sin x
x cos x + x sin x
x sin x + cos x
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Question # 15
The point ________ is in the solution of the inequality 2x - 3y < 4
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(0, -2)
(1, -3)
(2, 2)
(3, 0)
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Question # 16
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Question # 17
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Question # 18
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Question # 19
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5 / 12
3 / 8
5 / 8
7 / 4
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Question # 20
A point (x,y) which satisfy a linear inequality in two variables form its
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Solution
Domain
Range
None
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Question # 21
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Question # 22
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Question # 23
If the cutting plane is parallel to the axis of the cone and intersects both of its nappes, then the curve of intersection is
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an ellipse
a hyperbola
a circle
a parabola
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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
In (x +iy) y is called as
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Imaginary part
Complex number
Real part
None of above
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Question # 26
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Question # 27
If y = sin (ax + b), then fourth derivative of y with respect to x =
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a
4
cos (ax + b)
a
4
sin (ax + b)
-a
4
sin (ax + b)
a
4
tan (ax + b)
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Question # 28
Which is an explicit function
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y = x
2
+ 2x - 1
x
2
+ xy + y
2
= 2
x
2
+ y
2
= xy + 2
All are
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Question # 29
For trival solution |A| is
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A
|A| is non zero
A = 0
None of these
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Question # 30
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Question # 31
Archimedes approximate the function by horizontal function and the area under f by the sum of small
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Parallelograms
Squares
Retangles
Polygons
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