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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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1, 1/2, 0
1, 2, 1
1, 2, 3
1, 2, 0
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Question # 2
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Diagonal matrix
Scalar matrix
Triangular matrix
Identity matrix
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Question # 3
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Question # 4
The solution set of x < 4 is
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-
∞
< x < 4
-
∞
> x > 4
-
∞
< x < 2
-
∞
> x > 2
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Question # 5
Q∪ Q' =
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Q
Q'
N
R
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Question # 6
If A is a set then any subset R of A x A is called
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relation on A
relation on B
relation from A to B
relation from B to A
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Question # 7
How many arrangements of the letters of the word ADDING can be made
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Question # 8
The domain of the principle cos function is
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Question # 9
The graph of y> 0 is the upper - half of:
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y-axis
x-axis
1st and 4th quandrant
2nd and 3rd quadrant
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Question # 10
One minute is denoted by
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1
0
1'
1"
None of these
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Question # 11
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A finite non-empty set
Null set
Both a and b
None of these
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Question # 12
The line y = 2 x + c is a tangent to the parabola y
2
= 16 x if c equals
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-2
-1
0
2
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Question # 13
If x
4
- 10x
2
- 2x + 4 is divided by x + 3, then the reminder is
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1
0
4
None of these
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Question # 14
The discriminant of the quadratic equation ax
2
+ bx + c = 0 is
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b
2
+ 4ac
b
2
- 4ac
4ac - b
2
a
2
- 4ac
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Question # 15
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0
90°
180°
360°
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Question # 16
The set of months in a year beginning with S.
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{September, October, November}
Singleton set
Null set
Empty set
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Question # 17
The distance between the points A(-8,3) and B(2,-1) is
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116
none of these
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Question # 18
The sum if 1,3,5,7,9........ up to 20 terms is
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400
472
563
264
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Question # 19
The coefficient of x
10
in the expansion (x
3
+3/x
2
)
10
is
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1700
17023
17027
17010
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Question # 20
An equation of the form ax + by = k is homogeneous linear equation when
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b = 0, a = 0
a = 0,b ≠ 0
b = -0,a≠ 0
a≠ 0,b≠ 0, k = 0
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Question # 21
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Question # 22
tan
-1
x > cot
-1
x holds for
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x > 1
x < 1
x = 1
All values of x
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Question # 23
If
∀a,b ε R,then a +b ε R is a property
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Closure law of addition
Associative law of addition
Additive inverse
Additive identity
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Question # 24
Riaz, Saba. Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in
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4 ways
12 ways
256 ways
24 ways
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Question # 25
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(2x4)
(2x7)
(2x3)
(7x2)
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Question # 26
When rational fraction is separated into partial fractions, the result is
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an identity
A fraction
A partial sum
Improper fraction
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Question # 27
Onto function is also called
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Binjective function
Injective function
Surjechive function
None of these
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Question # 28
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Question # 29
What is the period of sin 2x/3 cos 4x=?
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π
2π
π/2
π/3
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Question # 30
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Question # 31
If a cone is cut by a plane perpendicular to the axis of the cone, then the section is a
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parabola
circle
hyperbola
ellipse
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