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ECAT Mathematics Online Test MCQs With Answers
Question # 1
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Associative property of addition
Associative property of multiplication
Commutative property of addition
Commutative property of multiplication
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Question # 2
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Question # 3
How many 3 digit numbers can be formed by using each one of the digit 2, 3, 5, 7, 9 only once?
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15
24
60
120
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Question # 4
Matrices are represented by
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Natural numbers
Real numbers
Small letters
Capital letters
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Question # 5
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Question # 6
Trival solution of homogeneous linear equation is
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(0, 0, 0)
(1, 2, 3)
(1, 3, 5)
a, b and c
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Question # 7
A Geometric Series is divergent only if
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|r|>1
|r|≥1
|r|=1
None of these
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Question # 8
If A and B are two matrices such that AB = B and BA =A, then A
2
+ B
2
=
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2 AB
2 BA
A + B
AB
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Question # 9
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Question # 10
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none of these
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Question # 11
A non-terminating non_recurring decimal represents an
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Irrational no
Both a & c
Rational no
None of these
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Question # 12
The set of integer is
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Finite group
A group w.r.t addition
A group w.r.t multiplication
Not a group
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Question # 13
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2
4
8
16
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Question # 14
The parabola y
2
= x is symmetric about
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x-axis
y-axis
Both x and y-axis
The line y = x
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Question # 15
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1
0
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Question # 16
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Question # 17
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Question # 18
No term of a harmonic sequence can be
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0
1
2
3
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Question # 19
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c = 0
c = -1
c = -2
c = 1
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Question # 20
Period of 2 cos x is ______
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Question # 21
f(x) = 2x
2
+ 3x + 5 is a
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trigonometric function
algebraic function
exponential function
logarithmic function
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Question # 22
∫Sec
2
(ax + b) dx is equal to:
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tan
2
(ax + b)
1/a tan
2
(ax + b)
1/atan (ax +b)
tan (ax + b)
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Question # 23
A stationary point x is a relative exterma of y= f(x) is
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f′′ (x) > 0
f′′ (x) < 0
f′′ (x) ≠ 0
f′′(x) = 0
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Question # 24
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sin h x
cos h x
sec h x
cosec h x
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Question # 25
x = r2, y = 1 are the parametric equation of
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Circle
Hyperbola
Ellipse
Parabola
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Question # 26
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2
4
8
12
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Question # 27
Union of the sets of rational and irrational numbers is called 6th set of
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Natural numbers
Real numbers
Whole numbers
Prime numbers
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Question # 28
The last term of (1+2x)-2
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(-1)-2 (2x)-2
(-1)-4(-2x)-2
(-1)-3(2x)-3
Does not exist
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Question # 29
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Even
Odd
Prime
None of these
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Question # 30
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Question # 31
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A = C
A = B
B = C
None of these
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