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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Choose an answer
1
-1
0
None of these
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Question # 2
If y = 2x , then
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y1 -ln2y = 0
y2-(ln2)2 y = 0
y2-(ln2)y1 = 0
All are correct
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Question # 3
The set of all positive even integers is
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Not a group
A group w.r.t subtraction
A group w.r.t division
A group w.r.t multiplication
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Question # 4
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Question # 5
x = ________ is in the solution of 2x - 3 < 0
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2
-2
3
4
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Question # 6
Corner point of the system x - y≤ 2,x + y≤ 4,2x -y≤ 6,x≥ 0,y≥ 0
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(1,4)
(4,2)
(3,1)
(4,1)
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Question # 7
64.A point (x, y, z) moves parallel to xy plane. Which of the three variables x, y, z remain fixed?
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z
x
y
x and y
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Question # 8
1 radian = _____
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60°
57.296°
57.2°
180°
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Question # 9
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Question # 10
Area of the circle with ends of a diameter at (-3,2) and (5,-6)
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128π sq. units
64π sq. units
32π sq.units
None of these
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Question # 11
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Question # 12
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An empty set
Universal set
A singleton set
None of these
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Question # 13
If you are looking someone on the ground from the top of a hill the angle formed is called angle of _______;
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Elevation
Depression
Right angle
None off these
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Question # 14
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Question # 15
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Question # 16
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none of these
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Question # 17
45° = ______
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Question # 18
If you are looking a bird in the tree from the ground then the angle formed is called angle of______;
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Elevation
Depression
Right angle
None of these
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Question # 19
An open sentences formed by using the sign of equality '=' is called ______
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An identity
An equation
A polynomial
None of these
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Question # 20
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Lies between 4 and 7
Lies between 5 and 9
Has no value between 4 and 7
Has no value between 5 and 9
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Question # 21
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A variable
A constant
0
None of these
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Question # 22
A line segment whose end points lie on a circle is called
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The secant of the circle
The arc of the circle
The chord of the circle
The circumference of the circle
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Question # 23
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3x
2
+ 2
3x
2
+ 2x + 3
x
3
+ x
2
none of these
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Question # 24
√x = ______ if is a prime number
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Rational no
Natural no
Irrational no
Complex no
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Question # 25
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Question # 26
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Question # 27
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 # 28
If you are looking a high point from the ground, then the angle formed is
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Angle of elevation
Angle of depression
Right angle
Horizon
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Question # 29
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Question # 30
n(n - 1) (n - 2) .... (n - r + 1) = ______
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Question # 31
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