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ECAT Mathematics Online Test MCQs With Answers
Question # 1
A Series which does not coverage to a Unique sum is called
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Harmonic Series
Oscillatroy Series
Arithmetic Series
None of these
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Question # 2
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Question # 3
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Question # 4
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Rational fraction
Proper fraction
Improper rational fraction
None of these
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Question # 5
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none of these
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Question # 6
The solution of the equation cos
2
θ
+ sin
θ
+ 1 = 0 lies in the interval
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Question # 7
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 # 8
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Question # 9
f(x) = 1 is
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identity function
constant function
linear function
quadratic function
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Question # 10
Which shape of the following objects are approximately parabolic ares?
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Light reflectors
Force
Weight of the pendul
None of these
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Question # 11
The polar form of complex number x ≠ I y =
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r cos θ+ r sin θ
r cos θ+ is sin θ
cos θ+ r sin θ
i cos θ+ i sin θ
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Question # 12
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Singular
Non-singular
Adjoint
None of above
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Question # 13
if one root of the equation ix2 - 2(i + 1) x +(2 - i)= 0 is 2 - i then the other root is
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-i
2 + i
i
2 - i
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Question # 14
Number of terms in the expansion of (a+x)
n
is
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n - 1
n + 1
n + 2
n + 3
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Question # 15
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Question # 16
For n€ N,2
n>2
> n is to only when
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n<2
n≤ 4
n≥ 4
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Question # 17
The law of sines can be used to solve oblique triangle when following information is given:
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Two angles and a side
Two sides and an angle opposite one of the given sides
Two sides and the angle between two sided
Option a and b
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Question # 18
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Question # 19
The quadratic equation 8 sec2θ - 6 secθ +1 =0 has
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Infinitely many roots
Exactly two roots
Exactly four roots
No roots
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Question # 20
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2x
3x
2
1
0
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Question # 21
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-1
0
1
None of these
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Question # 22
The number of combinations of 10 different objects taken 8 objects at a time is
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90
45
55
50
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Question # 23
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A rational number
An irrational number
An odd number
A prime number
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Question # 24
The solution set of the equation 1 + Cos x = 0 is __________
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none of these
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Question # 25
Every natural number is
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A prime number
An irrational number
An integer
An even number
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Question # 26
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Question # 27
120°=______
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Question # 28
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Question # 29
If A is a skew-symmetric matrix of order n and P, any square matrix of order n, prove that P' AP is
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Skew-symmetric
Symmetric
Null
Diagonal
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Question # 30
An equation which hold good for all values of the variables is called
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Identity
fraction
mixed form
Partial equation
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Question # 31
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