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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Choose an answer
5x
4 + c
1/6 x
6
+ c
5x
2
+ c
1/5 x
6
+ c
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Question # 2
θ and 2kπ+θ are the ________ angles
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Quadrantal angles
Coterminal
Allied
None
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Question # 3
System of linear equations is inconsistent if
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System has no solution
System has one solution
System has two solution
None of above
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Question # 4
If n is any positive integer ,t hen 2+4+6+......+2 n=
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2
n
-1
2
n
+1
n
2
+1
n(n+1)
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Question # 5
In the expansion of (a + x)
n
the general term T
r + 1
is
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Question # 6
n
C
2
= exists when n is ______
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Question # 7
The middle term of the expansion (1 + 2x)
6
is ______
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1st term
4th term
2nd term
5th term
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Question # 8
120°=______
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Question # 9
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[0,1[
[0, 1]
]0, 1[
None of these
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Question # 10
Find the sum of the infinite geometric series 2 + 1 + 0.5 + ....
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3.5
3
4
None of these
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Question # 11
Domain of y = cot x = ______
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Question # 12
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Orthogonal
Involutary
Idempotent
Nilpotent
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Question # 13
Multiplicative inverse of 0 is
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0
1
+-1
Does not exist
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Question # 14
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Question # 15
The horizontal distance between the two towers is 60 m. the angular elevation of the top of the taller tower as seen from the top of the shorter one is 30°. If the height of the taller tower is 150 m, the height of the shorter one is
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116 m
200 m
216 m
None of these
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Question # 16
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Question # 17
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0.9
0.74
0.2016
None of these
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Question # 18
A rule or correspondence that assigns to each element x in X a unique element y in Y is called a function from
Choose an answer
X to X
X to Y
Y to X
none of these
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Question # 19
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30°
45°
60°
75°
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Question # 20
By expressing sin 125° in terms of trigonometrical ratios, answer will be
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sin 65° = 0.9128
sin 55° = 0.8192
sin 70° = 0.5384
sin 72° = 0.1982
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Question # 21
Cos 60° = ______
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1
2
1/2
3
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Question # 22
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A rational number
An irrational number
An odd number
A prime number
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Question # 23
The line l is horizontal if
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m is undefined
m=0
m=1
m=0-1
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Question # 24
f(x) = 3x
4
-2x
2
+ 7 is:
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an even function
an odd function
an even and implicit function
neither even nor a odd
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Question # 25
Apollonius was a:
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Rocket
Muslims scientist
Greek mathematicians
Method of finding conics
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Question # 26
The value of i
4n+1
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1
-1
i
i
2
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Question # 27
The lotus of intersection of perpendicular tangents to the parabola y
2
= 4ax is:
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Axis of the parabola
Focal chord of the parabos
The tangent at vertex of the parabola
a directrix of the parabola
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Question # 28
The element range of sequence are called
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Series
progression
Members
Terms
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Question # 29
Every whole number is
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A real number
An irrational number
A prime number
A negative integer
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Question # 30
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Question # 31
If the domain of sequence is finite set then the sequence is called
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geometric sequence
infinite sequence
finite sequence
arithmetic sequence
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