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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
The coefficient of xn in the expansion of (1-x)-1 is
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(-1)n2n
1
(-1)n(n+1)
(n+1)
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Question # 3
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Question # 4
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additive property
multiplicative property
additive identity
multiplicative identity
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Question # 5
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Question # 6
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Question # 7
3/4 is ______
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An odd number
An even number
A natural number
A rational number
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Question # 8
Zero is
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An irrational number
A rational number
A negative integer
A positive number
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Question # 9
The points (5, 0, 2), (2, -6, 0), (4, -9, 6) and (7, -3, 8) are vertices of a
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Square
Rhombus
Rectangle
Parallelogram
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Question # 10
Which of the following is skew symmetric matrix
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Question # 11
The set of even prime numbers is
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(2,4,6,8,10}
{2,4,6,8,10,12}
{1,3,5,7,9}
{2}
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Question # 12
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From an empty set
1
2
>2
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Question # 13
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0
1
-1
None
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Question # 14
Power set of X i.e P(X) _______ under the binary operation of union U
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Forms a group
Does not form a group
Has no identity element
Infinite set although X is infinite
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Question # 15
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Question # 16
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1, 1/2, 0
1, 2, 1
1, 2, 3
1, 2, 0
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Question # 17
The maximum value of the quadratic function f(x) = -2x2+20x,is
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4
3
50
7
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Question # 18
The multiplicative inverse of 2/3 is
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3/2
-2/3
-3/2
1
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Question # 19
The point (x
1
, y
1
) lies outside the circle x
2
+ y
2
+ 2gx + 2fy + c =0 if
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Question # 20
The multiplicative inverse of 0 is
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1
-1
0
Does not exist
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Question # 21
If #n = (n-5)
2
+ 5, then find #3 x #4.
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54
12
4
9
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Question # 22
If the points (a,2b):(c,a+b):(2c-a,h) lie on the same line then
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h=2a
h=a+b
h=ab
h=ac
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Question # 23
A fixed point which lies on the axis of the cone is called its:
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axis
apex
plane
diameter
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Question # 24
Period of sin 3x is ______
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Question # 25
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trigonometric equation
conditional equation
identity
None
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Question # 26
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 # 27
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Question # 28
For all points (x,y) in second quadrant
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x > 0 , y < 0
x > 0 , y > 0
x < 0 , y < 0
x < 0 , y > 0
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Question # 29
The number of solution of the equation tan x + sec x = 2 cos x lying in the interval [0, 2
π
] is
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0
1
2
3
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Question # 30
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Question # 31
If you are looking a high point from the ground, then the angle formed is
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Angle of elevation
Angle of depression
Right angle
Horizon
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