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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Closure law of addition
Associative law of addition
Additive inverse
Additive identity
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Question # 2
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2s
2
2s
3
s
3
3s
3
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Question # 3
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0
1
-A
-1
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Question # 4
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Question # 5
If A=B, then
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A⊂B and B⊂A
A⊆B and B⊈A
A⊆B and B⊆A
None of these
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Question # 6
If A is a non-singular matrix then adj A is
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Non-singular
Symmetric
Singular
Non defined
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Question # 7
If the cutting plane is slightly tilted and cuts only one nappe of the cone, the resulting section is:
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an ellipse
Circle
a hyperbola
a parabola
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Question # 8
The straight line passing through the focus and perpendicular to the directrix of the conic is known as its
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Tangent
axis
Focal chord
major or manor axis
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Question # 9
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Question # 10
The formula an = arn-1represents
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nth term of G.P
Sum of the first n terms
G.M between a and b
None of these
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Question # 11
The complement of set A relative to universal set U is the set
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Question # 12
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a cosec(ax + b) + c
- a cosec(ax + b) + c
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Question # 13
The point ________ is in the solution of the inequality 2x - 3y > 5
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(1, -1)
(2,2)
(0,0)
(3,0)
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Question # 14
The center of the sphore which passes thro' (a, 0, 0), (0, b, 0), (0, 0, c) and (0, 0, 0) is
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Question # 15
Express the perimeter P of square as a function of its area A?
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P = 4√A
P =√A
P = 2A
P =π√A
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Question # 16
f(x) = sin x + cos
2
x is
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trigonometric function
algebraic function
exponential function
logarithmic function
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Question # 17
What is the conjugate of -7 -2i ?
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-7 + 2i
7 +2i
7 -2i
√53
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Question # 18
The range of the tangent function is
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all real numbers
-1 ≤ x ≥ 1
natural number
z
+
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Question # 19
A function from X to X is denoted as
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f : X to Y
f : Y to Y
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Question # 20
The physical quantity which possesses both magnitude and direction is called a
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scalar
vector
constant
none of these
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Question # 21
The set of all antiderivaties of f(= ∫f(x)dx) is the
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Definite integral
Indefinite integral
Integral
Area
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Question # 22
For any set X, X∪X is
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X
X'
Φ
Universal Set
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Question # 23
∀x,y,z ∈ R and z 0,then
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x > y ⇒ xz > yz
x<y ⇒ xz < yz
x < y ⇒ xz > yz
None of these
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Question # 24
If 4 > b or a < b than a = b is a
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Additive property
Transitive property
Trichotomy property of inequality
None of above
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Question # 25
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1
2
3
None of these
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Question # 26
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Symmetric
Skew-symmetric
Hermitian
Skew hermitian
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Question # 27
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a f(x) + c
f(x) + a
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Question # 28
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0
-2
1
4
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Question # 29
A line joining two distinct points on a parabola is called a ______ of the parabola.
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Chord
Tangent
Lust rectum
directrix
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Question # 30
The graph of linear equation 2x + 3y = 10
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Parabola
Circle
Hyperbola
Straight line
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Question # 31
Which of the following is not a solution of system of inequalities 2x- 3y ≤6,2x +y≥ 2,x +2y≤ 8, x≥ 0,y ≥ 0
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(1,0)
(0,4)
(3,0)
(8,0)
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