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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Choose an answer
none of these
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Question # 2
If a cone is cut by a plane perpendicular to the axis of the cone, then the section is a
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Parabola
Circle
Hyperbola
Ellipse
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Question # 3
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Question # 4
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Question # 5
Cycle tyres are supplied in lots of 10 and there is a chance if 1 in 500 tyres to be defective. Using Poisson distribution, the approximate number of lots containing no defective tyre in a consignment of 10, 0000 lots is
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9028
9208
9802
9820
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Question # 6
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Question # 7
The 5th term of (3a-2b)
-1
is
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77b
2
/a
5
16b
2
/243 a
5
17b
4
/43a
5
25b
3
/43a
5
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Question # 8
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1, 2, 3
1, 5, 9
2, 5, 8
3, 6, 9
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Question # 9
For non-trival solution |A| is
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non zero
A = 0
|A| = 0
At = 0
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Question # 10
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Question # 11
22.5°=______
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Question # 12
What is the period of cos 6x =?
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π/2
π/3
π/4
π
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Question # 13
The set of all points in the plane that are equally distant from a fixed point to called a
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Parabola
ellipse
Hyperbola
Circle
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Question # 14
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Question # 15
If (1+x-2x
3
)
6
= 1+a
1
x + a
2
x
2
+ a
3
x
3
+ ..... the the value of a
2
+ a
4
+ a
6
+ .....+a
12
will be
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32
31
64
1024
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Question # 16
The equation |x +4| = x has solution
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x = -2
x = 2
x = -4
x = 4
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Question # 17
A rule that assigns to each elements x in X a unique element y in Y is called a ____________
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domain
range
function
none of these
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Question # 18
If A = {x / x ∈ R ∧ x
2
- 16 = 0} then A =
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- x
Infinite set
Φ
{-4,4}
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Question # 19
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Question # 20
The points A(+1,-1),B(3,0),C(3,7),D(1,8) are vertices of
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Square
Parallelogram
Rectangle
Trapezium
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Question # 21
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Question # 22
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Question # 23
The distance of the point (-2,3) from x-axis is
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-2
2
3
1
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Question # 24
√-1 b=
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b
2
2b
None of these
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Question # 25
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The law of of sines
The law of tangents
The law of consines
None of these
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Question # 26
One second is denoted by
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1
0
1'
1"
1 rad
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Question # 27
Probability of an impossible event is
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0
-1
1
∞
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Question # 28
The third term in the expansion of (1+2x) is
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-2x2
-4x2
2x2
4x2
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Question # 29
The set (Q, .)
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Forms a group
Does not form a group
Contains no additive identity
Contains no additive inverse
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Question # 30
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2
5
7
None of these
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Question # 31
sin 2
α
=
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