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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
How many numbers are there between 103 and 750 which are divisible by 6
Choose an answer
125
107
108
113
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Question # 2
π
is the period of the function
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|sin x| + |sin x|
sin
4
x + cos x
sin (sin x) + sin (cos x)
None of these
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Question # 3
The distance of the point (2,3) from origin is
Choose an answer
5
2
3
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Question # 4
i
9
=
Choose an answer
i
2
-1
1
i
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Question # 5
Choose an answer
none of these
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Question # 6
The formula an = arn-1represents
Choose an answer
nth term of G.P
Sum of the first n terms
G.M between a and b
None of these
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Question # 7
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cot x + c
tan x + c
-cot x + c
-tan x + c
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Question # 8
If the angle between two vectors with magnitude 2 and 15 is 30
°
then their scalar product is
Choose an answer
15
30
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Question # 9
For two vector a and b, a+b = _______
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a b
b+a
b-a
None
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Question # 10
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Question # 11
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cosec x + c
-cosec x + c
-sec x + c
sec x + c
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Question # 12
Choose an answer
An ellipse
A parabola
A circle
A hyperbola
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Question # 13
The set {1, 2, 3, 4, ....} is called
Choose an answer
Set of Natural numbers
Set of whole numbers
Set of rational number
Set of irrational numbers
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Question # 14
Choose an answer
1
-i
i
0
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Question # 15
Cos (
α
+
β
) - cos (
α
-
β
) =
Choose an answer
-2 sin
α
sin
β
2 sin
α
cos
β
-2 sin
α
cos
α
4 sin
α
cos
β
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Question # 16
The symbol ______ shall be used both for equation and identity
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Question # 17
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Question # 18
For any equilateral r :R :η :r1 :r2 :r3 =
Choose an answer
1:2:3:4:5
1:2:3:3:3
1:2:4:4:4
2:1 :2 :2 :2
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Question # 19
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1
3
2-i
-1
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Question # 20
The transport of a rectangular matrix is a
Choose an answer
Square matrix
Rectangular matrix
Row matrix
Column matrix
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Question # 21
If the terminal rays of an angle falls on any axis then the angle is called
Choose an answer
Allied angle
Acute angle
Standard position
Quadrantal angle
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Question # 22
If the domain of the function f: x⟶ 2x
3
+ 1 is {-1,2,3}, the range of the function is
Choose an answer
{3,2,5}
{1,3,9}
{-1,-2,-3}
{3,9,19}
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Question # 23
Choose an answer
3/8
7/8
1/8
None
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Question # 24
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Question # 25
The equation x
2
+ y
2
+2g +2fy + c =0 represents a circle whose centre is :
Choose an answer
(g,f)
(-g,-f)
(2g ,2f)
(-2f ,-2g)
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Question # 26
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Question # 27
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c = 0
c = -1
c = -2
c = 1
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Question # 28
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Question # 29
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Question # 30
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Question # 31
If the angle between two vectors
u
and
v
is 0 orπ, then the vectors
u
and
v
are:
Choose an answer
Orthogonal
Collinear
Perpendicular
None of these
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