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Online Tests
Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
For all points (x,y) on y-axis
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x is positive
x = 0
x is negative
y = 0
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Question # 2
x is a member of the set [-1, 0, 3, 5] y is a member of the set {-2, 1, 2, 4} which is possible?
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x - y = -6
x - y < -6
x - y > -6
None
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Question # 3
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trigonometric equation
conditional equation
identity
None
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Question # 4
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Question # 5
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Diagonal matrix
Scalar matrix
Triangular matrix
Identity matrix
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Question # 6
The value of the expression 3 cosθ+ 4 sinθθlie between
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-7 and 7
-25 and 25
-1 and 1
-5 and 5
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Question # 7
f(x) = 1 is
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identity function
constant function
linear function
quadratic function
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Question # 8
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Question # 9
Three unbiased coins are tossed. Then the probabilities of getting two heads is
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3/8
1/8
1/4
None of these
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Question # 10
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1
-1
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Question # 11
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none of these
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Question # 12
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Question # 13
(a+bi) - (c+di)=
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(a+b) = (c+d)
(a+c) + i(b+d)
(a - c) + (c- d)i
(a - c)+ (b - d)i
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Question # 14
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Question # 15
The set R is ........w.r.t subtraction
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Not a group
A group
No conclusion drawn
Non commutative group
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Question # 16
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 # 17
The maximum value of sin
θ
cos
θ
is
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1
1/2
1/4
1/6
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Question # 18
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Question # 19
The set of the first elements of the orders pairs forming a relations is called its
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Relation in B
Range
Domain
Relation in A
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Question # 20
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Question # 21
No term of a harmonic sequence can be
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0
1
2
3
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Question # 22
w
15
= ______
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0
1
w
w
2
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Question # 23
The ellipse and hyperbola are called
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Concentric conics
Central conics
Both a b
None
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Question # 24
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2 b
2 a
2 ab
a + b
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Question # 25
The set of the first elements of the orders pairs forming a relation is called its
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Relation in B
Range
Domain
Relation In A
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Question # 26
If 0 = R, thenthe additive inverse of a is
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1/9
1/-9
a
-a
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Question # 27
The range of the function f : x→ y is defined by
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{x| y = f (x) ∀x∈ X ∧y∈y}
{(x,y) |y = f (x)∀x∈ X}
{y|y = f (x) ∀x∈ X ∧y∈y}
Y
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Question # 28
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2x
2
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Question # 29
The set of months in a year beginning with S.
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{September, October, November}
Singleton set
Null set
Empty set
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Question # 30
Domain of 3 sin x is ______
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[-3, 3]
R
Positive real numbers
None of these
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Question # 31
A fraction in which the degree of the numerator is less than the degree of the denominator is called
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Polynomial
Equation
Proper fraction
Improper fraction
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