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ECAT Mathematics Online Test MCQs With Answers
Question # 1
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A
A'
U
U'
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Question # 2
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Question # 3
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A rational number
An irrational number
An odd number
A prime number
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Question # 4
The position vector of a point (x, y) in xy plane is
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none of these
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Question # 5
The value of sin 28°cos 17°+cos 28°sin 17°is
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Question # 6
cos
θ/2=
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Question # 7
i
101
=
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i
i
2
-i
-1
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Question # 8
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Question # 9
An open sentence formed by using the sign of equality "=" is called
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Equation
In equation
True sentence
False sentence
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Question # 10
2x + 3y > 4 is a linear inequality in
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one variable
two variables
three variables
none of these
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Question # 11
If two balls are drawn from a bag containing 3 white, 4 black and 5 red balls. Then the probability that the drawn balls are of different colours is
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1 / 66
3 / 66
19 / 66
47 / 66
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Question # 12
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 # 13
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0
undefined
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Question # 14
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f(x) = x
2
f(x
2
) = x
f(x) = x
none of these
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Question # 15
The vertex of the standard position angles lies on
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(0,0)
(0,1)
(1,0)
(1,1)
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Question # 16
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Question # 17
The number of ways of arranging the letter AAAAA BBB CCC D EE F in a row when no two C's are together is
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Question # 18
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Question # 19
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An empty set
Universal set
A singleton set
None of these
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Question # 20
If a (p + q)
2
+ bpq +c = 0 and a (p + r)
2
+ 2 bpr + c = 0, then qr equals
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p
2
+ c/a
p
2
+ a/c
p
2
+ c/a
p
2
- c/a
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Question # 21
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None of these
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Question # 22
If A∩B=B, then n(A∩B) is equal to
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n(a)
n(a)+n(c)
n(c)
None of these
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Question # 23
The function f(x) =|x| is a/an_______function
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Even
Odd
Both even as well as odd
Neither even nor odd
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Question # 24
3x + 4 = 0 is
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not inequality
equation
identity
inequality
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Question # 25
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Question # 26
Sine rule for a triangle states that
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a/sin A = b/sin B = c/sin C
sin A/a = sin B/b = sin C/c
a/sin A + b/sin B + c/sin C
2a/sin A = 2b/sin B = 2c/sin C
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Question # 27
ax + by < c is linear inequality in
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four variables
three variables
two variables
one variable
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Question # 28
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Polynomial of degree 0
Polynomial of degree 2
Quadratic equation
None of these
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Question # 29
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Question # 30
If 3x4 +4x3+x5is divided by x+1 , which of the following is the remainder
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7
-2
6
1
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Question # 31
x = secθ,y = tanθ are the parametric equations of
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Circle
Hyperbola
Ellipse
parabola
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