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ECAT Mathematics Online Test MCQs With Answers
Question # 1
An equation which hold good for all values of the variables is called
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Identity
fraction
mixed form
Partial equation
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Question # 2
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c = 0
c = -1
c = -2
c = 1
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Question # 3
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none of these
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Question # 4
The line y =mx +1 is tangent to the parabola y2 =4x if
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m=1
m=2
m=3
m=4
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Question # 5
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none of these
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Question # 6
An unbiased die is thrown. Then the probability of getting a prime is
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1/2
2/3
3/4
None of these
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Question # 7
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Question # 8
Domain of 3 sin x is ______
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[-3, 3]
R
Positive real numbers
None of these
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Question # 9
The polynomial x - a is a factor of the polynomial f(x) if and only if
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f(a) is positive
f(a) is negative
f(a) = 0
None of these
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Question # 10
The solution set of sin x + cos x = 0 is
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Question # 11
3/2 is
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An irrational number
Whole number
A positive integer
A rational number
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Question # 12
There may be ______ feasible solution in the feasible region
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Infinite
Finite
Defined
None of above
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Question # 13
The fixed point from which all the points of a circle are equidistant is called the
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chord of the circle
centre of the circle
diameter of the circle
radius of the circle
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Question # 14
150°= ______
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Question # 15
Sum of n terms of a geometric series if | r | < 1 is
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Question # 16
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none of these
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Question # 17
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Question # 18
A circle passing through the vertices of any triangle is called
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Circumcirle
Incircle
Escribed circle
Unit circle
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Question # 19
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2
4
6
8
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Question # 20
If the points (a,2b):(c,a+b):(2c-a,h) lie on the same line then
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h=2a
h=a+b
h=ab
h=ac
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Question # 21
The harmonic mean between a and b is
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Question # 22
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(a + b)c = ac + bc
a + b = b + a
(a + b) + c = a + (b + c)
a(b +c) = ab + ac
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Question # 23
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A
B
U
None of these
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Question # 24
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30°
60°
45°
None of these
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Question # 25
Which of the following statement is true?
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A set is a collection of non-empty object
A set is a collection of only numbers
a set is any collection of things
a set is well-defined collection of objects
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Question # 26
Period of sin x is
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Question # 27
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none of these
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Question # 28
Which of the following has the same value as i113
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i
-1
-i
1
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Question # 29
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120
5
4
6
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Question # 30
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Question # 31
If f(x) = cos x then f(0) is
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0
1
1/2
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