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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
The sum of co-efficient in (1+x-3x
2
)
4163
is
Choose an answer
0
1
-1
None
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Question # 2
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Question # 3
Any horizontal line divided the plane into
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Left half plane
Upper and lower half planes
Infinite number of horizontal liens
None of these
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Question # 4
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Question # 5
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Question # 6
the latus rectum of the parabola x
3
= -4ay is:
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x = a
y = -a
x = -a
y = 0
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Question # 7
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0
-2
1
4
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Question # 8
Point (2,0) lies on trigonometric function f(x)=______;
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sinx
cosx
tanx
secx
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Question # 9
w
73
= ______
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0
1
w
w
2
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Question # 10
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Question # 11
Graph of the question x
2
+ y
2
= 4 is
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A circle
An ellipse
A parabola
A square
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Question # 12
Sequence also called..............
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Series
Function
progressions
Elements
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Question # 13
tan
-1
(1/4) + tan
-1
(2/9) is equal to
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1/2 cos
-1
(3/5)
1/2 sin
-1
(3/5)
1/2 tan
-1
(3/5)
tan
-1
1/2
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Question # 14
f(x) = 1 is
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identity function
constant function
linear function
quadratic function
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Question # 15
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Question # 16
Sum of first n terms of an arithmetic series is
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Question # 17
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Question # 18
The value of sin [ arc cos (-1/2)] is
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Question # 19
The exact value of cos
-1
(-1) + cos
-1
(1) =
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π
-π
π/2
π/3
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Question # 20
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none of these
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Question # 21
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2 b
2 a
2 ab
a + b
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Question # 22
The set of complex numbers forms a group under the binary operation of
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Addition
Multiplication
Division
Subtraction
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Question # 23
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A
B
U
None of these
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Question # 24
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Question # 25
A die is thrown 100 times. If getting an odd number is considered a success, the variance of the number of successes is
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50
25
10
100
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Question # 26
202.04 is an example of
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Recurring decimals
Non-recurring decimals
Terminating decimals
None of above
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Question # 27
For a square matrix A, if A = At, then A is called
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Matrix
Transpose
Symmetric
Non-symmetric
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Question # 28
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The law of consines
The law of sines
The law of tangents
None of these
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Question # 29
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Question # 30
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2, 3
3, 3
2, 6
2, 4
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Question # 31
(a+bi) - (c+di)=
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(a+b) = (c+d)
(a+c) + i(b+d)
(a - c) + (c- d)i
(a - c)+ (b - d)i
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