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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
The domain of the principle cos function is
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Question # 3
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Question # 4
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Addition
Multiplication
Division
Both addition and multiplication
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Question # 5
The negation of given number is a
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Binary operation
Unary operation
Relation
None of these
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Question # 6
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110
220
1320
None of these
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Question # 7
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sec 3x + c
- cosec 3x + c
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Question # 8
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a sec(ax + b) + c
- a sec(ax + b) + c
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Question # 9
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range of f
domain of f
both (a) and (b)
none of these
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Question # 10
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2
7
8
12
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Question # 11
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Question # 12
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Question # 13
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-10
10/7
-10/7
-7/10
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Question # 14
What is the probability of being born on Wednesday?
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1/7
1/2
1/3
1/8
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Question # 15
The point P (5,8) and the origin lie on the side of the line 3x+ 7y+ 15 =0
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Same side
P above and origin below
Opposite side
P below and origin above
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Question # 16
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Question # 17
If the cutting plane is slightly tilted and cuts only one nappe of the cone, the resulting section is:
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an ellipse
Circle
a hyperbola
a parabola
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Question # 18
Considering Cosine Rule of any triangle ABC, possible measures of angle A includes
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Angle A is obtuse
Angle A is acute
Angle A is right-angle
All of above
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Question # 19
The line 3x - 4y = 0
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Is a tangent to the circle x
2
+ y
2
= 25
Is a normal to the circle x
2
+ y
2
=25
Does not meet the circle x
2
+ y
2
= 25
Does not pass thro' the origin
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Question # 20
The mid point of the line segment joining the points (a,b) and (b,a) is
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Question # 21
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1
2
3
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Question # 22
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-8
8
8i
32
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Question # 23
If n(X) = 18, n(X∩Y) = 7, n(X∪ Y) = 40 then n(Y) =
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1
12
5
29
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Question # 24
If f(x) = ax
2
, and a>0, then the lowest point on the parabola is called.
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Vertex of parabola
Co-ordinates of parabola
Roots of the equation
Coefficient of the equation
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Question # 25
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Question # 26
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Question # 27
The graph of a quadratic function is
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Circle
Ellipse
Parabola
Hexagon
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Question # 28
The roots of (b-c)x2+(c-a) x+a-b=0 are equal if
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2b = a+c
2a = b+c
2c = a+b
a + b + c =0
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Question # 29
If a=5j + 2j,b=2i -3j, then|a+2b|=
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√21
√97
√39
None of these
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Question # 30
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Question # 31
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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