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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
The 10th common term between the series 3+7+11+....... and 1 + 6 +11 + ....... is
Choose an answer
191
193
211
None of these
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Question # 2
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Question # 3
Domain of cosh x is
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R
R -{0}
[1,∞)
[0,∞)
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Question # 4
The points of intersection of the line y = 2x -3 and the circle x
2
+ y
2
- 3x =2y -3 = 0 are:
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two
three
less thean two
not intersect
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Question # 5
The distance between the points (0,0) and (x,y) is
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x
2
+ y
2
x
y
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Question # 6
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Question # 7
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Diagonal matrix
Scalar matrix
Triangular matrix
Identity matrix
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Question # 8
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Question # 9
i
-(4n+2)
= -------------------------------
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1
i
-1
-i
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Question # 10
The integral of 3x
5
dx is:
Choose an answer
15 x
4
x
6
/2
1/6x
5
x
5
/ln3
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Question # 11
A square matrix A = [aij] is lower triangular matrix when:
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aij = 0 for all i < j
bij = 0
cij = 0
dij =0
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Question # 12
Choose an answer
16
None of these
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Question # 13
the latus rectum of the parabola x
3
= -4ay is:
Choose an answer
x = a
y = -a
x = -a
y = 0
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Question # 14
The symbol of irrational is
Choose an answer
W
N
Q
Q
'
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Question # 15
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Question # 16
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a constant function
linear function
quadratic funtion
none of these
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Question # 17
The graph of the linear equation of the form ax =by = c is a line which divided the plane into:
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Two similar regions
Two disjoint regions
Four equal parts
One region
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Question # 18
Group of none-singular matrices under multiplication is
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None-Abelian group
Semi group
Abelian group
None of these
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Question # 19
Sum of n terms of a geometric series if | r | < 1 is
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Question # 20
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A
A'
U
U'
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Question # 21
An integral of 1/x dx is:
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1/x
2
1/-x
2
1/lnx
lnx
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Question # 22
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2
-3/2
1
0
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Question # 23
202.04 is an example of
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Recurring decimals
Non-recurring decimals
Terminating decimals
None of above
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Question # 24
The triangle that does not have a right angle is called.
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Isosceles triangle
right angle triangle
equivalent triangle
oblique triangle
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Question # 25
A and B throw a dice. The probability that A's throw is not greater then B's is
Choose an answer
5 / 12
7 / 12
1 / 6
1 / 2
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Question # 26
A circle which touches one side of a triangle extermally and the other two sides produced is called
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In-circle
Circumcircle
e-circle
Point circle
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Question # 27
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Question # 28
The maximum value of sin
θ
cos
θ
is
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1
1/2
1/4
1/6
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Question # 29
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Question # 30
If d
1
is the distance between (0,0) and (1,2) and d
2
is the distance between (0,0) and (-1,-2) the
Choose an answer
d
1
< d
2
d
1
> d
2
d
1
= d
2
none of these
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Question # 31
The sum of first 60 natural numbers is
Choose an answer
1830
3660
1640
1770
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