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ECAT Mathematics Online Test MCQs With Answers
Question # 1
If a,b c are sides of a triangle taken in order then a x b =
Choose an answer
b x c
b x a
cxa
Both a & b
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Question # 2
f(x) = 3x/x
2
+ 1 is:
Choose an answer
an even function
an odd function
an even and implicit function
neither even nor a odd
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Question # 3
Range if y = cos x is
Choose an answer
-1≤ y≤ 1
-1 < y < 1
-∞ < x < +∞
None of these
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Question # 4
The set of integers is a subset of
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The set of natural numbers
The set of whole numbers
The set of prime numbers
The set of rational numbers
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Question # 5
For different values of k equation 4x+5y =k represents
Choose an answer
Parallel lines
Lines parallel to x -axis
Perpendicular lines
Lines parallel to y -axis
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Question # 6
The range of the principle cot function is
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Question # 7
cot
θ
= sin 2
θ
if
θ
=
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Question # 8
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Question # 9
The set of natural is a semi group w.r.t
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Addition
Division
Subtraction
None of these
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Question # 10
Domain of cosec x is ______
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Question # 11
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Question # 12
Range of sin
θ
is
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Question # 13
Choose an answer
a sec(ax + b) + c
- a sec(ax + b) + c
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Question # 14
cot
θ
= sin 2
θ
if
θ
=
Choose an answer
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Question # 15
The first three terms in the expansion of (1 + x)
3
are
Choose an answer
1 + 3x +6x
2
1- 3x + 6x
2
\
-3 -3x -6x
2
1- 3x -6x
2
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Question # 16
Choose an answer
x
-2
+ c
not possible
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Question # 17
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Question # 18
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Question # 19
The square of the distance between two points P(x
1
, y
1
) and Q(x
2
, y
2
) is
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Question # 20
If cos
α
= 4/5, then cos
α
/2
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Question # 21
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Question # 22
1/3 is ______
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A prime number
An integer
A rational number
An irrational number
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Question # 23
The law of sines is
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Question # 24
If d
1
is the distance between (0,0) and (1,2) and d
2
is the distance between (0,0) and (2,1) then
Choose an answer
d
1
= d
2
d
1
<d
2
d
1>
d
2
none of these
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Question # 25
The number of standard parabolic functions are is
Choose an answer
4
2
3
1
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Question # 26
Choose an answer
A finite non-empty set
Null set
Both a and b
None of these
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Question # 27
Choose an answer
are real no
both are not real
are imaginary no
both are imaginary
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Question # 28
Choose an answer
1
1/2
0
None
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Question # 29
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Question # 30
The expansion of (1 - 3x)
-1
is valid if
Choose an answer
| x | < 1
| x | < 3
| x | < 1/3
None of these
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Question # 31
The graph of a linear function is
Choose an answer
a circle
triangle
a straight line
none of these
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