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ECAT Mathematics Online Test MCQs With Answers
Question # 1
Conic sections or simply conics are the curves obtained by cutting a right circular cone by
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a line
two lines
a plane
two planes
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Question # 2
(x-1) is a factor of
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2x
3
-3x
2
+9
2x
3
-5x-8
48x
2-
46x-9
x
9
-1
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Question # 3
Every whole number is
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A real number
An irrational number
A prime number
A negative integer
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Question # 4
In order of A is m x n and order of B is n x p then order of AB is
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m x m
n x n
m x p
p x m
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Question # 5
The symbol ______ shall be used both for equation and identity
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Question # 6
If A and B are two sets then any subset R of B 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
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Question # 8
If z
1
= 2 + 6i and z
2
= 3 + 7i, then which expression defines the product of z
1
and z
2
?
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36 + (-32)i
-36 + 32i
6 + (-11)1
0, +(-12)i
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Question # 9
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Question # 10
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1
2
-1
0
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Question # 11
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One-one but not onto
One-one and onto
Onto but not one-one
Neither one-one nor onto
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Question # 12
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Question # 13
At a point 15 meters away from the base of a 15 meters high house, the angle of elevation of the top is
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90°
60°
30°
45°
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Question # 14
The obtuse angle between lines = -2 and y = x +2 is
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120°
135°
150°
140°
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Question # 15
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real number
complex number
rational number
irrational number
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Question # 16
The graph of the linear equation of the form ax =by = c is a line which divided the plane into:
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Two similar regions
Two disjoint regions
Four equal parts
One region
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Question # 17
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A positive integer
A negative integer
A natural number
An irrational number
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Question # 18
The angle AOP which the ray from an observer's eye at O to an object at P at a lower level makes with horizontal ray OA through O is called the
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Angle of depression
Angle of elevation
Acute angle
Obtuse angle
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Question # 19
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9/4
4/9
1
None of these
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Question # 20
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Question # 21
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Question # 22
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-1
0
1
Undefined
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Question # 23
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Question # 24
The numbers of G
1
, G
2
, G
3
...... G
n
are called n geometric means between a and b is a, G
1
, G
2,
G
3
, ... G
n
, b are in
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H.P.
A.P.
G.P.
None of these
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Question # 25
i
2
=
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1
2
-1
0
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Question # 26
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Question # 27
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Question # 28
tan(π-θ)=_____;
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tanθ
cotθ
-tanθ
-cotθ
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Question # 29
An A.P., a G.P. and a H.P. have the same first and last terms and the same odd numbers of terms, the middle terms of the three series are in
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A.P.
G.P.
H.P.
None of these
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Question # 30
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Question # 31
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The law of sines
The law of tangents
The pythagorus theorem
None of these
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