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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
A triangle has ____ elements
Choose an answer
3
4
5
6
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Question # 2
The angle between the vectors
u
=2
i
-
i
+
k
and
v
= -
i
+
i
is:
Choose an answer
3π/2
2π/3
5π/6
π/3
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Question # 3
∀x,y,z ∈ R and z 0,then
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x > y ⇒ xz > yz
x<y ⇒ xz < yz
x < y ⇒ xz > yz
None of these
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Question # 4
If n∈Z+ then(a+x)n is a/an
Choose an answer
Finite series
Convergent series
Infinite series
Divergent series
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Question # 5
Choose an answer
0
1
-1
None of these
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Question # 6
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Associative law of addition
Commutative law of addition
Additive identity
Closure law of addition
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Question # 7
G is geometric mean between a and b if a, G, b is
Choose an answer
A.P.
G.P.
H.P.
None of these
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Question # 8
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The law of sines
The law of tangents
The pythagorus theorem
None of these
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Question # 9
(x + 2)
2
= x
2
+ 4x
+ 4 is
Choose an answer
A linear equation
A cubic equation
A quadratic equation
None
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Question # 10
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Question # 11
Cofactor of an element a
ij
is defined by
Choose an answer
(-1)
i+j
|A|
(-1)
i+j
M
ij
(-1)
i+j
M
-1
None of these
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Question # 12
An integral of 1/x dx is:
Choose an answer
1/x
2
1/-x
2
1/lnx
lnx
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Question # 13
The maximum value of sin x + cos x is
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Question # 14
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Question # 15
If n is any positive integer then 4
n
>3
n
+ 4 is true for all
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Question # 16
Choose an answer
2x
2
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Question # 17
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Question # 18
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Question # 19
The set {1, -1, 1, -1}, form a group under
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Addition
Multiplication
Subtraction
None
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Question # 20
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 # 21
Tan 360° = _______
Choose an answer
-1
0
1
Undefined
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Question # 22
tan(2π+θ) = ________;
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tanθ
-tanθ
cotθ
-cotθ
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Question # 23
Choose an answer
Does not exist because f is unbounded
Is not attained even though f is bounded
Is equal to 1
Is equal to -1
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Question # 24
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Question # 25
ax + by < c is linear inequality in
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four variables
three variables
two variables
one variable
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Question # 26
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Question # 27
If f(x) = x
2
- x then f(-2) is
Choose an answer
4
6
2
0
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Question # 28
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Question # 29
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1
3
2-i
-1
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Question # 30
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Question # 31
If distance of (a,b) from x-axis is 2 then
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a = 2
b = 2
a = b
b = 4
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