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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
150°= ______
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Question # 3
In the function f: A⟶B, the elements of a are called
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Images
Pre-images
ranges
Parameters
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Question # 4
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sin h x
cos h x
tan h x
cot h x
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Question # 5
The point (x
1
, y
1
) lies outside the circle x
2
+ y
2
+ 2gx + 2fy + c =0 if
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Question # 6
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Question # 7
If a,b = 0 then
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a |b
a||b
a = b
None
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Question # 8
(a, b) + (-a, -b) =
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(0,0)
(a, b)
(-a, -b)
(1, 1)
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Question # 9
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x-axis
y-axis
z-axis
None of these
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Question # 10
In quadratic equation, if the replacement of y with -y leaves the equation unchanged, then the graph is
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Straight line
Circle
Hyperbola
Symmetric w.r.t.0
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Question # 11
Domain of 2 cos x is ______
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[-2, 2]
R
Negative real numbers
None of these
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Question # 12
The point R dividing internally the line joining the points P(x
1
, y
1
) and Q(x
2
, y
2
) in the ratio K
1
: K
2
has the coordinates
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Question # 13
A square matrix A for which A
t
= A is called a
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Column matrix
Symmetric matrix
Skew-symmetric matrix
Row matrix
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Question # 14
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Question # 15
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Associative law of multiplication
Commutative law of addition
Commutative law of multiplication
Associative law of addition
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Question # 16
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Question # 17
IfΔABC is right, law of cosine reduce to
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Law of sine
Law of tangent
Phthogorous theorem
Hero's formula
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Question # 18
Empty set is
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Not the member of real numbers
Infinite set
Finite set
Not subset of every set
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Question # 19
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-1
0
1
Undefined
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Question # 20
Point (2,0) lies on trigonometric function f(x)=______;
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sinx
cosx
tanx
secx
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Question # 21
For trival solution |A| is
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A
|A| is non zero
A = 0
None of these
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Question # 22
The equation of the tangent at vertex to the parabola is y2 = -8(x -3)
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y=0
x=3
x=1
x=5
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Question # 23
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images
pre-images
constants
none of these
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Question # 24
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Biconditional
Implication
Antecedent
Hypothesis
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Question # 25
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are real no
both are not real
are imaginary no
both are imaginary
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Question # 26
The set {{a,b}} is
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Infinite set
Singleton set
Two points set
None
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Question # 27
The term involving x
4
in the expansion (3-2x) is
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217x
4
15120x
4
313x
4
-25x
4
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Question # 28
{0} is a
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Empty set
Singleton set
Zero set
Null Set
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Question # 29
Arithmetic mean between 14 and 18 is
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16
17
15
32
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Question # 30
If n is any positive integer then 3 + 6 + 9 + ....+ 3n = ______
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Question # 31
if a
1
=3, d=7 and a
n
=59 , then the number of terms in A.P is
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7
9
11
13
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