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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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Question # 2
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0
1
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Question # 3
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Question # 4
An equation which holds good for all values of variables is called
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Equation
Conditional equation
Constant
None
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Question # 5
In (x + iy) x is the known as
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Imaginary part of complex number
Real part of complex number
Complex number
None of above
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Question # 6
The locus of the centre of a circle which touches two given circles externally is:
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a hyperbola
an ellipse
a circle
a parabola
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Question # 7
How many arrangements of the letters of the word PAKISTAN cab be made
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Question # 8
(0,1) is in the solution of the inequality
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3x + 2y > 8
2x - 3y < 4
2x + 3y > 5
x -2y < -5
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Question # 9
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Question # 10
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Question # 11
The angle AOP which the ray from an observer's eye at O to an object at P at a lower level makes with horizontal ray OA through O is called the
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Angle of depression
Angle of elevation
Acute angle
Obtuse angle
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Question # 12
The distance between the points A(-8,3) and B(2,-1) is
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116
none of these
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Question # 13
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Cos 2x = sin 4y
Cos 4y = cos 2x
Cos 3y = sin 4x
None of these
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Question # 14
4
1+x
+ 4
1-x
= 10 is called
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Reciprocal equation
Exponential equation
Radical equation
None of these
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Question # 15
If T = {2,4,6,8,10,12}, then
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T = (First six natural numbers)
T = (First six odd numbers)
T = (First six real numbers)
T = ( First six even numbers)
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Question # 16
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Question # 17
Every identity matrix is
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Row-vector
Scalar
Column-vector
All
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Question # 18
Number of ways of writing the letters of WORD taken all at a time is
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24
4
12
6
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Question # 19
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Question # 20
7
2n
+ 3
n-1
. 2
3n-3
is divisible by
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24
25
9
13
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Question # 21
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Question # 22
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Question # 23
The distance of the point (-2,3) from x-axis is
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-2
2
3
1
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Question # 24
The value of sin
-1
5/13 is equal to
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Cos 5/13
Tan
-1
5/12
cos
-1
5/12
2 cos
-1
4/5
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Question # 25
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none of these
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Question # 26
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Question # 27
If A and B are skew-symmetric then (AB)t is
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At Bt
AB
-AB
BA
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Question # 28
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a
x
a
x
In a
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Question # 29
The line 2x +√6y =2 is a tangent to the curve x2 -2y2 =4 The point of contact is
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(√6,1)
(2,3)
(7,-2√6)
(4,-√6)
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Question # 30
If 3x4 +4x3+x5is divided by x+1 , which of the following is the remainder
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7
-2
6
1
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Question # 31
If the matrices A and B are conformable for multiplication then (AB)
t
= ______
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AB
A
t
B
t
B
t
A
t
A
t
B
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