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ECAT Mathematics Online Test MCQs With Answers
Question # 1
The slope of y-axis is
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0
undefined
1
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Question # 2
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Question # 3
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3
6
0
None of these
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Question # 4
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-2x cos x
2
-2x
2
sin x
2
-x
2
sin x
-2x
2
sin x
2
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Question # 5
Sin
-1
(-x)=
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Cos
-1
1/x
- Sin
-1
X
Cot
-1
X
None of these
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Question # 6
i =
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Question # 7
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Less then 1
Equal to 1
Greater than 1 but less then 2
Greater then or equal to 2
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Question # 8
The probability that a slip of numbers divisible by 4 is picked from the slips of number 1,2,3,4,......10 is
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1/5
2/5
1/10
3/10
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Question # 9
2
π
+
θ
will have terminal side in Quad
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I
II
III
IV
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Question # 10
If
θ
= 60° then
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sin
θ
= 1/2
tan
θ
= cot 30°
θ
=
π
/4
sec
θ
= 4
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Question # 11
It is not possible to find the exact value of
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π
√9
∛27
√1
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Question # 12
The slope of the normal at the point (at
2
, 2at) of the parabola y
2
= 4ax is
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1/t
t
-t
-1/t
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Question # 13
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Question # 14
If z
1
= 1 + 2i, z
2
= 3 + 4i then
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z
1
> z
2
z
1
= z
2
z
1
< z
2
None of these
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Question # 15
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Question # 16
Domain of sin
θ
is
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Set of real numbers
Set of complex numbers
Set of natural numbers
Set of even numbers
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Question # 17
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a constant function
linear function
quadratic funtion
none of these
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Question # 18
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Question # 19
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both a & c
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Question # 20
If A is skew Hermitian Matrix then which of the following is not skew Hermitian matrix
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A2
A5
A3
A7
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Question # 21
In one hour, the minute hand of a clock turns through
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Question # 22
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1, 2, 3
1, 5, 9
2, 5, 8
3, 6, 9
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Question # 23
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Question # 24
Every set is an improper subset of
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Empty set
Equivalent set
Itself
Singleton set
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Question # 25
The distance of the points (3, 4, 5) from y-axis is
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Question # 26
A - B = ______
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Question # 27
In order of A is m x n and order of B is n x p then order of AB is
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m x m
n x n
m x p
p x m
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Question # 28
The set {x +iy / x, y ∈ Q} forms a group under the binary operation of
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Addition
Multiplication
Division
Both addition and multiplication
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Question # 29
The position vector of a point (x, y) in xy plane is
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none of these
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Question # 30
A monoid (G, *) is said to be group if
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have identity element
is commutative
have inverse of each element
None of these
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Question # 31
The multiplicative inverse of -1 in the set {1-, 1} is
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1
-1
0
Does not exist
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