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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
i
2
=
Choose an answer
1
2
-1
0
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Question # 2
A conditional is regarded as false only when the antecedent is true and consequent is
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True
False
Known
Unknown
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Question # 3
If the roots of ax
2
+ bx + c = 0 (a > 0) be greater than unity, then
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a + b + c = 0
a + b + c > 0
a + b + c < 0
None of these
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Question # 4
The value of cos(cos-1 1/2) is
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1/2
√3/2
-1/2
1/√2
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Question # 5
The distance of the point (2, -3) from x-axis is
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-2
-3
2
3
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Question # 6
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Associative law of multiplication
Commutative law of addition
Commutative law of multiplication
Associative law of addition
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Question # 7
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Question # 8
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Question # 9
The complement of set A relative to universal set U is the set
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Question # 10
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Question # 11
The distance between the points (2, 2) and (3, 3) is
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10
5
2
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Question # 12
If A ⊆ B then A ∪ B is
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A
B
A'
A ∩B
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Question # 13
If x < y, 2x = A, and 2y = B, then
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A = B
A < B
A < x
B < y
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Question # 14
The angle between the vectors
u
= [-3 , 5] and
v
= [6 , -2] is:
Choose an answer
π/2
-3π/2
π
None of these
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Question # 15
The equation x
2
+ y
2
= 0 represents
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A circle
A degenerate circle
An empty set
A st. line
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Question # 16
Area of inscribed circle is
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π R2
π η2
π r22
π r2
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Question # 17
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Question # 18
In the function f: A⟶B, the elements of a are called
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Images
Pre-images
ranges
Parameters
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Question # 19
The angle of elevation of the tops of two towers at the middle point of the line joining the foots of the tower are 60
ο
and 30
ο
respectively. The the ratio of the heghts of the tower is
Choose an answer
2 : 1
3 : 1
1 : 2
1 : 3
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Question # 20
The domain and range of a trigonometric function can be allocate by their
Choose an answer
graph
Continuity
Discontinuity
Periods
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Question # 21
The Domain of y = sin x is ______
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Set of real numbers
Rational
Irrational no.
None of above
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Question # 22
Choose an answer
2
-3/2
1
0
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Question # 23
The range of y=x2 + 1 is the set of non-negative real numbers except
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0≤ y < 1
0 < y < 1
0≤ y≤ 1
0 < y≤1
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Question # 24
The distance between the points (0,0) and (x,y) is
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x
2
+ y
2
x
y
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Question # 25
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 # 26
If P, Q, R be the A.M., G.M., H.M. respectively between any two rational numbers a and b, then P - Q is
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Question # 27
Intersection of two parabolas
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parabola
Two points
Four points
Hyperobla
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Question # 28
If all members of a sequence are real numbers then it is called a
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Series
Function
Real sequence
Range
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Question # 29
tan(3π/2 +θ)=______;
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tanθ
cotθ
-tanθ
-cotθ
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Question # 30
6 is
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A prime integer
An irrational number
A rational number
An odd integer
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Question # 31
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