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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
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Question # 3
The distance of the plane 2x - 3y + 6z + 14 = 0 from the origin is
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14
2
-2
11
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Question # 4
The are of the circle centred at ( 1 , 2) and passing through ( 4 , 6) is:
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10π
25π
5π
25/2π
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Question # 5
If 4 > b or a < b than a = b is a
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Additive property
Transitive property
Trichotomy property of inequality
None of above
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Question # 6
The multiplicative inverse of -1 in the set {1-,1} is
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1
-1
±1
0
Does not exist
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Question # 7
The value of x for which the polynomials x2 - 1 and x2 -2x + 1 vanish simultaneously is
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2
1
-1
-2
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Question # 8
The distance between the points A(-8,3) and B(2,-1) is
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116
none of these
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Question # 9
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Question # 10
The equation of the chord of the circle x
2
+ y
2
- 4x = 0 whose mid-point is (1, 0) is
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y = 2
y = 1
x = 2
x = 1
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Question # 11
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Question # 12
Tan 2
θ=
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Question # 13
Domain of cot x is ______
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Question # 14
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Question # 15
The corner point of the boundary lines, x-2y
2x + y = 2 is:
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(2,6)
(6,2)
(-2,2)
(2,-2)
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Question # 16
Number of ways of writing the letters of WORD taken all at a time is
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24
4
12
6
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Question # 17
The conjugate of √5
i
is
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√5
-√5 i
i
5i
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Question # 18
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none of these
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Question # 19
A circle passing through the vertices of any triangle is called
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Circumcirle
Incircle
Escribed circle
Unit circle
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Question # 20
The equation |x +4| = x has solution
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x = -2
x = 2
x = -4
x = 4
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Question # 21
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Question # 22
If
∀a,b ε R,then a +b ε R is a property
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Closure law of addition
Associative law of addition
Additive inverse
Additive identity
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Question # 23
The vertex of the parabola (xsin a -ycos a)2 =4a(xcos a +ysin a) lies at
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(acos a,asin a)
(a,0)
(cos a,sin a)
(0,0)
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Question # 24
If (1+x)
n
=C
0
+ C
1
x +C
2
x
2
+ ......+C
n
x
1
then C
0
C
2
+ C
1
C
3
+ C
2
C
4
+ .....+C
n-2
C
n
=
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Question # 25
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none of these
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Question # 26
The value of the expression sin
θ
+ cos
θ
lies between
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Question # 27
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Question # 28
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Question # 29
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Question # 30
tan(cot
-1
x) is equal to
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cot(tan
-1
x)
tan x
secon x
None of these
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Question # 31
w
73
= ______
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0
1
w
w
2
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