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ECAT Mathematics Online Test MCQs With Answers
Question # 1
A line segment whose end points lie on a circle is called
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the secant of the circle
the arc of the circle
the chord of the circle
the circumference of the circle
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Question # 2
The domain and range of a trigonometric function can be allocate by their
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graph
Continuity
Discontinuity
Periods
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Question # 3
If x is an image of y under the function f. This can be written as
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y = f(x)
f(x) = 0
x = f(y)
f(y) =0
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Question # 4
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Question # 5
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Set of whole number
Rational Numbers
Complex numbers
Whole numbers
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Question # 6
The distance between two points P(x
1
, y
1
) and Q (x
2
, y
2
) is
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Question # 7
If z=(x,y) then z has no multiplicative inverse when
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x ≠ 0, y = 0
x = 0, y = 0
x = 0, y ≠ 0
None of these
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Question # 8
Domain of y = cot x = ______
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Question # 9
Which of the following is a quadrantal angle
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100°
200°
170°
270°
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Question # 10
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X = 100 sin
θ
X = 10 sin
θ
X = 100 sec
θ
None of these
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Question # 11
Roots of the equation x
2
+ 2x + 3 = 0 are
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Real and equal
Real and distinct
Complex
None of these
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Question # 12
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A complex number
A rational number
A natural number
An irrational number
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Question # 13
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Question # 14
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Question # 15
There is no integer n for which 3n is
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Even
Prime
Odd
Real
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Question # 16
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[0, 0, 0]
[1, 0, 0]
[0, 1, 0]
[0, 0, 1]
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Question # 17
An equation in which at least one term contains dy/dx, d
2
y /dx
2
etc, is called.
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Differential equation
Initial condition
General solution
Singular equation
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Question # 18
The negative square root of 9 can be written as:
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-√9
√9
√18
-√18
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Question # 19
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Question # 20
The general solution of tan 3x = 1 is
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Question # 21
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Question # 22
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2
-2
none of these
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Question # 23
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Question # 24
(1, 1) is the in the solution of the inequality
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3x + 4y > 3
2x + 3y < 2
4x = 3y > 5
2c - 3y > 2
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Question # 25
The point ________ is in the solution of the inequality 2x - 3y < 4
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(0, -2)
(1, -3)
(2, 2)
(3, 0)
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Question # 26
14 is not a
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Prime number
Whole number
Even number
Real number
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Question # 27
If Cos
θ
=0, then
θ
= ______
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n
π
/2
(2n + 1)
π
/2
(2n - 1)
π
/2
(4n + 1)
π
/2
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Question # 28
Write down the power set of {9, 11}
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Question # 29
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 # 30
Which of the following is the definition of singleton
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The objects in a set
A set having no element
A set having no subset
None of these
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Question # 31
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