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ECAT Mathematics Online Test MCQs With Answers
Question # 1
The vertex of the standard position angles lies on
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(0,0)
(0,1)
(1,0)
(1,1)
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Question # 2
p, q, r and s are integers. If the A.M. of the roots of x2- px + q2= 0 and G.M. of the roots of x2- rx + s2= 0 are equal, then
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q is an odd integer
r is an even integer
p is an even integer
s is an odd integer
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Question # 3
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Question # 4
The identity element with respect to subtraction is
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0
-1
0 and 1
None of thes
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Question # 5
The approximate percentage increase in the volume of a cube if the length of its each edge changes from 5 to 5.02 is
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1.2%
1.5%
0.16%
100.16%
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Question # 6
Given X.Y are any two sets such that number of elements in X = 18, number of elements in set Y = 24,and number of elements in set X∪ Y =40,then number of elements in set x∩ Y =
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3
1
2
4
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Question # 7
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Question # 8
In (x + iy), y is called as
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Imaginary part
Complex number
Real part
None of above
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Question # 9
Geometrically, the modulus of a complex number represents its distance from the
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Point (1, 0)
Point (0, 1)
Point (1, 1)
Point (0, 0)
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Question # 10
The negation of given number is a
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Binary operation
Unary operation
Relation
None of these
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Question # 11
Area bounded between the curve xy=2 and the lines x=1 and x=2
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ln2 square units
ln√2 square units
ln4 square units
Square units
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Question # 12
The perimeter of a sector of a central angle of measure 1 radian out off an are of length 35cm is
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35 cm
70 cm
140 cm
105 cm
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Question # 13
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 # 14
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Question # 15
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-3 -2i
3 +2i
1 + 2i
1 - 2i
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Question # 16
Period of 3 sin x is ______
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Question # 17
The zero vector is regarded to be parallel to
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Every vector
Is some cases
Both a,b
None
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Question # 18
For all points (x,y) on x-axis
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x is positive
x is negative
y = 0
y is negative
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Question # 19
The line through the focus and perpendicular to the directrix is called ______ of the parabola
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axis
focal chord
tangent
latus rectum
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Question # 20
Tan
-1
1/x = ______
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sin x
sec
-1
X
cot
-1
X
None of these
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Question # 21
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none of these
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Question # 22
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A = B
B = C
A = C
None of these
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Question # 23
The conic is a parabola, when:
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ᵨ > 1
ᵨ < 1
ᵨ = 1
ᵨ = 0
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Question # 24
The domain of the principle cos function is
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Question # 25
If y=f(x) is a function then y is called
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dependent variable
independent variable
constant
none of these
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Question # 26
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Question # 27
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Question # 28
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Question # 29
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1
-1
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Question # 30
22.5°=______
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Question # 31
sin 2
α
=
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