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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
If A(x
1
, y
1
) , B(x
2
, y
2
) and C(x
3
, y
3
) are the vertices of a triangle then its centroid is
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Question # 3
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Question # 4
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Question # 5
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A
A'
U
A A'
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Question # 6
The common point to four standard parabolas
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Focus
Centre
Vertex
P(x,y)
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Question # 7
The no of term is the expansion of (a+x)n-1 is
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n+1
n-1
n
n-2
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Question # 8
How many arrangements of the letters of the word ADDING can be made
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Question # 9
3x + 4
<
0 is
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not inequality
equation
identity
inequality
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Question # 10
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1
-i
i
0
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Question # 11
Range of sin
θ
is
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Question # 12
If A is a non singular matrix then A
-1
= ______
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Question # 13
Consider the equation px2 + qx + r = 0 where p,q,r are real The roots are equal in magnitude but opposite in sign when
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q = 0, r = 0,p ≠ 0
p = 0,qr≠ 0
r = 0,pq≠ 0
q = 0, pq≠ 0
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Question # 14
The arbitrary constants involving in the solution can be determined by the given conditions. Such conditions are called
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Boundaries
Variable separable
Initial values
None
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Question # 15
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Question # 16
Cos (
α
+
β
) - cos (
α
-
β
) =
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-2 sin
α
sin
β
2 sin
α
cos
β
-2 sin
α
cos
α
4 sin
α
cos
β
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Question # 17
A fraction in which the degree of the numerator is less than the degree of the denominator is called
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Polynomial
Equation
Proper fraction
Improper fraction
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Question # 18
x
2
+ x - 6 = 0 is a conditional equation and it is true for
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2, 3
2, -3
-2, -3
-2, 3
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Question # 19
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Question # 20
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8
1/56
56
None of these
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Question # 21
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0
1
none of these
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Question # 22
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Question # 23
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1
-1
0
None of these
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Question # 24
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Multiplication property
Additive property
Trichotomy property
Transitive property of inequality
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Question # 25
The magnitude of vector a 2i-7j is
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√23
√43
3
√53
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Question # 26
Cos
-1
12/13 =
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tan
-1
3/5
cot
-1
13/12
Sec
-1
13/12
sin
-1
5/13
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Question # 27
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range of f
domain of f
both (a) and (b)
none of these
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Question # 28
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Question # 29
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Rational
Irrational
Natural
Odd
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Question # 30
The solution set of the equation 4 cos
2
x - 3 + 0 is
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none of these
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Question # 31
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