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ECAT Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
In any triangle ABC,with usual notationαsinβ =____;
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b sinα
bsinβ
αsinα
None of these
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Question # 3
The lines l1and l2intersect. The shortest distance between them is
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Positive
Negative
Zero
Infinity
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Question # 4
(a
-1
)
-1
=
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a
-1
a
-a
None of above
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Question # 5
Inequalities have ______ symbol
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2
3
4
1
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Question # 6
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Question # 7
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0
1
-1
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Question # 8
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Question # 9
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Question # 10
The multiplicative inverse of 1 is
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1
-1
0
Does not exist
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Question # 11
The set {{a,b}} is
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Infinite set
Singleton set
Two points set
None
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Question # 12
Every term of a G.P. is positive and also every term is the sum of two preceding terms. Then the common ratio of the G.P. is
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Question # 13
In one hour, the hour hand of a clock turns through
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Question # 14
The unit vector along x-axis is
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none of these
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Question # 15
A card is drawn from a pack of cards numbered 1 to 52, the probability that the number on the card is a perfect square is
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1/13
2/13
7/52
None of these
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Question # 16
∀a,b ε R, ab = be is a
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Commutative law of multiplication
Closure law of multiplication
Associative law of multiplication
Multiplicative identity
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Question # 17
A point (x,y) which satisfy a linear inequality in two variables form its
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Solution
Domain
Range
None
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Question # 18
The transpose of a zero matrix is a ______
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Column matrix
Zero matrix
Row matrix
Scalar matrix
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Question # 19
An expression involving any of the symbols <,>,
<
or
>
is called
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equation
inequality
linear equation
identity
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Question # 20
If the lower limit of an integral is a constant and the upper limit is a variable, then the integral is a
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Constant function
Variable value
Function of upper limit
All
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Question # 21
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Question # 22
f(x) = sin x + cos
2
x is
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trigonometric function
algebraic function
exponential function
logarithmic function
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Question # 23
If A is a subset of B and B contains at least one element which is not an element of A, then A is said to be
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Improper subset of B
Super set of B
Proper subset of B
None of these
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Question # 24
If the domain of sequence is finite set then the sequence is called
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geometric sequence
infinite sequence
finite sequence
arithmetic sequence
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Question # 25
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Question # 26
In the function f: A⟶B, the elements of a are called
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Images
Pre-images
ranges
Parameters
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Question # 27
sin(π/2+θ) = _______;
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sinθ
cosθ
-sinθ
-cosθ
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Question # 28
The greatest term in the expansion of (3+2x)
9
, when x=1 is
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4th
4th and 5th
5th
6th
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Question # 29
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Commutative law of multiplication
Closure law of multiplication
Associative law of multiplication
Multiplication identity
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Question # 30
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Question # 31
Each point of the feasible region is called
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Solution
feasible solution
Both a & b
None
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