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Online Tests
Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
If distance of (a,b) from x-axis is 2 then
Choose an answer
a = 2
b = 2
a = b
b = 4
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Question # 2
The unit vector along z-axis is
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none of these
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Question # 3
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Question # 4
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Question # 5
{0} is a
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Empty set
Singleton set
Zero set
Null Set
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Question # 6
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Question # 7
cos 2
α=
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sin
2
α
+ cos
2
α
-cos
θ
tan
θ
None of these
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Question # 8
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Question # 9
If n is odd then the middle terms in the expansion of (a + x)
n
are
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Question # 10
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Question # 11
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Question # 12
sin (
α
+
β
) - sin (
α -
β
) =
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4 cos
α
sin
β
2 cos
α
sin
β
4 cos
α
cos
β
4 sin
α
sin
β
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Question # 13
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Cos 2x = sin 4y
Cos 4y = cos 2x
Cos 3y = sin 4x
None of these
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Question # 14
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 # 15
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5
-5
none
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Question # 16
The tangents drawn from the point P to a circle are real and distinct if
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P is on the circle
P is inside the circle
P is outside the circle
none of these
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Question # 17
What is the number of elements of the power set of {0, 1}
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1
2
3
4
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Question # 18
s > t then
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(s - t)
2
> (t - s)
2
(s - t)
2
< (t - s)
2
(s - t)
2
= (t - s)
2
None
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Question # 19
The point P (5,8) and the origin lie on the side of the line 3x+ 7y+ 15 =0
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Same side
P above and origin below
Opposite side
P below and origin above
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Question # 20
Zero is
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An irrational number
A rational number
A negative integer
A positive number
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Question # 21
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Question # 22
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are real no
both are not real
are imaginary no
both are imaginary
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Question # 23
The set {x|x∈N∧x-4=0} in tabular form is
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{-4}
{0}
{}
None of these
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Question # 24
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Question # 25
The distance between two points P(x
1
, y
1
) and Q (x
2
, y
2
) is
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Question # 26
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Addition
Subtraction
Multiplication
None of these
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Question # 27
If y=f(x) is a function then x is called
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dependent variable
independent variable
constant
none of these
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Question # 28
ab > 0 and a > 0 then
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a > b
a < b
a = b
None
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Question # 29
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Question # 30
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Question # 31
If a cone is cut by a plane perpendicular to the axis of the cone, then the section is a
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Parabola
Circle
Hyperbola
Ellipse
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