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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
E-radius corresponding to < B is
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Question # 2
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Question # 3
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Closure law of addition
Closure law of multiplication
Commutative law of addition
Commutative law of multiplication
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Question # 4
The eccentricity of parabola is:
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1
0
Greater than 1
Less than 1
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Question # 5
a + x is ______
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A trinomial
A binomial
A monomial
None of these
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Question # 6
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a constant function
linear function
quadratic funtion
none of these
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Question # 7
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Question # 8
The set of the first elements of the ordered pairs forming a relation is called its
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Function on B
Range
Domain
A into B
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Question # 9
120°=______
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Question # 10
The transpose of a row matrix is a ______
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Zero matrix
Diagonal matrix
Column matrix
Row matrix
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Question # 11
Inverse of the function y-10x is
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y=logx
y=lnx
x=10y
x=10y
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Question # 12
The transport of a null matrix is
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Row matrix
Column matrix
Square matrix
Null matrix
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Question # 13
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Question # 14
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A
-
A
t
-A
A
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Question # 15
sin (sin
-1
(1/2))=
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0
2
∞
1/2
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Question # 16
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3
6
0
None of these
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Question # 17
Such fraction which can not be written in the form ofp⁄q where p,q and q≠ 0,such fractions are called.
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Fractinal numbers
Rational Numbers
Even Numbers
Whole Numbers
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Question # 18
Empty set is
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Not the member of real numbers
Infinite set
Finite set
Not subset of every set
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Question # 19
The square root of every incomplete square is an
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Rational numbers
Even numbers
odd numbers
Irrational numbers
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Question # 20
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Question # 21
The points (x, y) which satisfy a linear inequality in two variables x and y from its
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domain
range
solution
none of these
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Question # 22
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Question # 23
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Question # 24
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Biconditional
Implication
Antecedent
Hypothesis
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Question # 25
If A(a,b) lies on 3x +2y =13 and point B(b,a) lies on x-y =5 then equation of AB is
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x- y= 5
x+ y+ =5
x+ y= -5
5x +5y =21
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Question # 26
The function f{(x, y) | y = ax
2
+ bx + c} is
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One-one function
Constant function
Onto function
Quadratic function
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Question # 27
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Principle of equality of fractions
Rule for product of fraction
Rule for quotient of fraction
Golden rule of fractions
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Question # 28
Derivative of a w.r.t x is
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0
1
x
x
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Question # 29
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1/3
1
3
None of these
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Question # 30
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x
3
3x
2
3x
3
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Question # 31
The eccentricity of the conic 9x
2
- 16y
2
= 144 is
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4/5
5/4
4/3
3/4
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