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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
The mid point of the line segment joining the points (a,b) and (b,a) is
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Question # 2
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Question # 3
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none of these
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Question # 4
If the intersection of two sets is non-empty, but either is a subset of other are called
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Disjoint sets
Over lapping
Equal sets
None of these
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Question # 5
If x
2
+ px + 1 is a factor of ax
3
+ bx +c, then
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a
2
+ c
2
= -ab
a
2
- c
2
= -ab
a
2
- c
2
= ab
None of these
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Question # 6
The set of the first elements of the orders pairs forming a relations is called its
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Relation in B
Range
Domain
Relation in A
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Question # 7
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Question # 8
What is the period of sin 2x/3 cos 4x=?
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π
2π
π/2
π/3
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Question # 9
If Z
1
= 1+ i, Z
2
= 2+3i , then |Z
1
-Z
2
| =?
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√5
√7
-1-2i
√3
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Question # 10
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16 / 7
6 / 17
7 / 16
None of these
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Question # 11
The constant distance of all points of the circle from its centre is called the
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radius of the circle
secant of the circle
chord of the circle
diameter of the circle
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Question # 12
The additive inverse of a matrix A is
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None of these
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Question # 13
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0
1
undefined
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Question # 14
If z
1
= 1 + 2i, z
2
= 3 + 4i then
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z
1
> z
2
z
1
= z
2
z
1
< z
2
None of these
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Question # 15
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Question # 16
A matrix with a single column is called
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Column matrix
Row matrix
Identity matrix
Null matrix
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Question # 17
Sin -1 x=
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sin(π/2-x)
Sin-1 (π/2-x)
π/2-cos-1x
π/2 + cos-1x
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Question # 18
Tan(
α
-
β
)=
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Question # 19
If all members of a sequence are real numbers then it is called
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A.P
Real Sequence
G.P
None of these
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Question # 20
If p and q are two statements then their conjunction is denoted by
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Question # 21
Two circle s1: x2+ y2 +2x- 2y- 7= 0: s2: x2+ y2- 6x+ 4y+ 9= 0
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Touch externally
Touch internally
Intersects each other
Do not intersects
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Question # 22
In a country, 55% of the male population has houses in cities while 30% have houses both in cities and in village. Find the percentage of the population that has house only in villages.
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45
30
25
50
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Question # 23
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sin h x
cos h x
tan h x
cot h x
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Question # 24
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Question # 25
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a cos(ax + b) + c
- a cos(ax + b) + c
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Question # 26
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Question # 27
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Question # 28
If Cos
θ
=0, then
θ
= ______
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n
π
/2
(2n + 1)
π
/2
(2n - 1)
π
/2
(4n + 1)
π
/2
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Question # 29
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Question # 30
A Series which does not coverage to a Unique sum is called
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Harmonic Series
Oscillatroy Series
Arithmetic Series
None of these
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Question # 31
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2x + 3
x
2
+ 3 + c
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