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ECAT Mathematics Online Test MCQs With Answers
Question # 1
The distance between the points A(-8,3) and B(2,-1) is
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116
none of these
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Question # 2
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Question # 3
The maximum value of the quadratic function f(x) = 2x2-4x+7,is
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3
5
-3
-5
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Question # 4
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-1
0
1
None of these
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Question # 5
The sum even binomial coefficient of (3+2x)5 is ______term
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16
30
8
32
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Question # 6
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Question # 7
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Question # 8
The matrix A = [aij]mxn with m ≠n is always
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Symmetric
Hermition
Skew-symmetric
None
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Question # 9
∀ z ∈ C, multipliucative is
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(1,1)
(1,0)
(0,1)
None of these
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Question # 10
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Question # 11
-2, 1, 4, 7,.... is ______
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Harmonic sequence
Arithmetic sequence
Geometric sequence
Arithmetic series
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Question # 12
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184
none of these
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Question # 13
If z
1
=√-36 ,z
2
=√-25,z3 =√-16 then
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15
15i
-15i
-15
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Question # 14
The first three terms in the expansion of (1 + x)
-1
are
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1 + x + x
2
1 - x - x
2
-1 -x + x
2
1 - x + x
2
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Question # 15
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Question # 16
If a tangent line touches the function y = f (x) in more than one point then y = f (x) is
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Periodic
Surjective
Bijective
Injective
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Question # 17
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Question # 18
The proposition S(n) is true∀n∈N,S(k+1) true when ______is true
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S(1)
Both a & c
S(k)
None
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Question # 19
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0
1
2
none of these
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Question # 20
One second is denoted by
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1
0
1'
1"
1 rad
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Question # 21
The equation of the circle with centre (-h, -k) and radius r is
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(x +h)
2
+ (y+k)
2
= r
2
(x +h)
2
+ (y-k)
2
= r
2
(x -h)
2
+ (y+k)
2
= r
2
(x -h)
2
+ (y-k)
2
= r
2
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Question # 22
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Question # 23
sec (-360°) = ______
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0
1
2
3
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Question # 24
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 # 25
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Question # 26
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Question # 27
The period of|sin2x| is
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π/2
-π/2
π
π/3
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Question # 28
∀x,y∈ R and x < 0, y < 0, which one is true
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xy < o
xy = o
xy > o
None of these
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Question # 29
Second derivative of y = x
9
+ 10x
2
+ 2x - 1 at x = 0 is
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10
20
12
1
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Question # 30
The harmonic mean between a and b is
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Question # 31
x = ________ is in the solution of 2x + 3
>
0
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1
-2
-3
-4
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