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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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a sec(ax + b) + c
- a sec(ax + b) + c
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Question # 2
The vertex of the graph of the quadratic function f(x) = x2 -10, is
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(0 , -10)
(-10,0)
(10,0)
(0,10)
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Question # 3
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Question # 4
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Question # 5
Which of the following ordered pair is a solution of the inequality x+2y<6?
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(2,3)
(2,2)
(6,0)
(1,1)
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Question # 6
A rule or correspondence that assigns to each element x in X a unique element y in Y is called a function from
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X to X
X to Y
Y to X
none of these
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Question # 7
Roots of the equation x
2
- x = 2 are
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{2, -1}
{1, 0}
{2, 1}
{-2, 1}
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Question # 8
A function from X to Y is written as
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f : X to Y
f : Y to Y
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Question # 9
The process of finding the unknown elements in triangle is called the
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solution of the triangle
Mean differnece
Engineering distance
angle of depressin
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Question # 10
The first three terms in the expansion of (1 - x)
-3
are
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1 + 3x + 6x
2
1 - 3x + 6x
2
-3 - 3x - 6x
2
1 - 3x - 6x
2
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Question # 11
The radian measure of the central angle of an arc 50 m long on a circle of radius 25 m is
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3
2
1
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Question # 12
If f(x)= x
3
then f(-2) is
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-2
-4
-8
8
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Question # 13
If the roots of 3x2+kx + 12 = 0 are equal then k = ______
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Question # 14
Z is the set of integers (Z.*) is a group with a * b = a +b +1, a,b ∈ G.then inverse of a is
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-a
a +1
-1-a
None of these
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Question # 15
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Identity matrix
Diagonal matrix
Null matrix
Hermitian matrix
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Question # 16
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Linear equation
Quadratic equation
Cubic equation
None of these
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Question # 17
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Improper rational fraction
Proper rational fraction
Polynomial
Equation
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Question # 18
The number of subsets of a set having three elements is
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4
6
8
none of these
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Question # 19
If 2 and 2 are x and y components of vector then its angle with x-axis is
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30
°
45
°
60
°
90
°
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Question # 20
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Question # 21
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20
10
0
None of these
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Question # 22
(A∩Bc)c= -------------------------
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Ac∪Bc
Ac∪B
Ac∩B
None of these
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Question # 23
Range of sin x is ______
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[-1, 1]
R
Negative real numbers
None of these
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Question # 24
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Question # 25
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A positive integer
A negative integer
A natural number
An irrational number
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Question # 26
Which of the following is the subset of all sets
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Φ
{1,2,3}
{Φ}
{0}
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Question # 27
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An expression
Rational fraction
Equation
Identity
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Question # 28
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Question # 29
The period sin
2
θ
is
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π
2
π
2
π
π/2
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Question # 30
The equation of the line perpendicular to x- axis and passing through (-5,3) is
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y -3 =0
x+ 3 =0
y- 3 =∞
x +5 =0
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Question # 31
If f(x) = ax
2
, and a>0, then the lowest point on the parabola is called.
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Vertex of parabola
Co-ordinates of parabola
Roots of the equation
Coefficient of the equation
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