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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
π is the ration of
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Area of a circle to its diameter
Area of a circle to its radius
Circumference of a circle to its diameter
Circumference of circle to its radius
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Question # 2
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Question # 3
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1
2
3
None of these
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Question # 4
Domain of sec
θ
is
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Question # 5
If n is any positive integer then 3 + 6 + 9 + ....+ 3n = ______
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Question # 6
f(x) = 3x
4
-2x
2
+ 7 is:
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an even function
an odd function
an even and implicit function
neither even nor a odd
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Question # 7
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Question # 8
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Question # 9
For all points (x,y) on y-axis
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x is positive
x = 0
x is negative
y = 0
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Question # 10
The area between the x-axis and the curve y = x
2
+ 1 from x = 1 to 2 is:
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15/6
15/4
10/4
10/3
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Question # 11
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x =0, y =4
x = -1, y = 2
x = 2, y = 3
x = 3, y = 4
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Question # 12
The value of x, and y, when (x + iy)
2
= 5 + 4i
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X = 2, y = 1
X = -2, y = 1
X = 2, y = -1
X = 2, y = 2
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Question # 13
The set {1, -1, i, -i}
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Form a group w.r.t addition
Form a group w.r.t multiplication
Does not form a group w.r.t multiplication
Not closed under multiplication
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Question # 14
if A = (x/x€ Q˄ 0 < x < 1}, the A is
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Infinite set
Finite set
Set of rational numbers
Set of real numbers
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Question # 15
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sin h x
cos h x
tan h x
cot h x
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Question # 16
The parabolay2=4ax open up if
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a<0
a≠0
a>0
All are incorrect
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Question # 17
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Question # 18
The equation of the circle with centre origin and radius r is
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x
2
+ y
2
= 1
x
2
+ y
2
= r
2
x
2
+ y
2
= 0
x
2
- y
2
= r
2
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Question # 19
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Question # 20
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0
20
90
80
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Question # 21
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Question # 22
a ______quantity is one that possesses both magnitude and direction.
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Scalar
Vector
Segment
None of these
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Question # 23
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all are correct
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Question # 24
The period of the function f(x) = sin
4
x + cos
4
x is
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π
π
/2
2
π
None of these
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Question # 25
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Question # 26
Cos-1 (-x) =
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-x
1/x
tan-1 x
π-cos-1 x
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Question # 27
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Question # 28
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Question # 29
θ and 2kπ+θ are the ________ angles
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Quadrantal angles
Coterminal
Allied
None
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Question # 30
Which is not included in the domain of cos
-1
x
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0
1
-1
2
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Question # 31
If x, y, z are the pth, qth, rth terms of an A.P. and also of G.P., then x
y-z
. y
z-x
. z
x-y
eqals
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xyz
0
1
None of these
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