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ECAT Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
A function in which the second elements of the order pairs are distinct is called
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Onto function
One-one function
Identity function
Inverse function
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Question # 3
An equation containing at least one derivative of a depends variable with respect to independent variable is a (an)
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Implicit equation
Differential equation
General equation
None of these
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Question # 4
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ab=-1
ab = 1
ab = 2
None
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Question # 5
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Question # 6
∫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 # 7
Which of the following is not a unit vector
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[1, 1, 1]
[0, 1, 0]
[0, 0, 1]
[1, 0, 0]
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Question # 8
The general value of
θ
satisfying the equation 2 sin
2
θ
- 3 sin
θ
-2 = 0 is
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Question # 9
Period of sin 3x is ______
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Question # 10
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A finite non-empty set
Null set
Both a and b
None of these
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Question # 11
Domain of cos x is ______
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Question # 12
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Question # 13
f(x) = x is
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trigonometric function
exponential function
quadratic function
identify function
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Question # 14
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Question # 15
If (a, b) is the mid-point of a chord passing thro' the vertex of the parabola y
2
= 4x, then
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a = 2b
2a = b
a
2
= 2b
2a = b
2
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Question # 16
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15/23
7/15
7/8
15/7
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Question # 17
If in a set of real no a is additive identity then
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a+a = 2a
a+a = 1
a+a = 0
None of these
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Question # 18
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1, 2, 3
1, 5, 9
2, 5, 8
3, 6, 9
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Question # 19
For each even natural number n (n
2
-1) is divisible by
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6
3
4
8
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Question # 20
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Question # 21
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I and II quadrants
I and III quadrants
II and III quadrants
II and IV quadrants
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Question # 22
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-1
0
1
undefined
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Question # 23
Which of the following us a scalar
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displacement
velocity
acceleration
density
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Question # 24
If y is an image of x under the function f, then we write
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y = f(x)
x = f(y)
y = x
none of these
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Question # 25
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Question # 26
The distance of the point (-2, -3) from the origin is
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2
-5
-3
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Question # 27
If Sin A = sin B, cos A = cos B, then the value of A in terms of B is
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Question # 28
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Question # 29
Range of cos
θ
is
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Question # 30
The period of the trigonometric function y = sin x cos x is
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2π
π
4π
π / 2
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Question # 31
If ax + bx + c =0 is satisfied by every value of x,then
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b = 0,c = 0
c = 0
b = 0
a = b = c = 0
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