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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Choose an answer
2
5
7
None of these
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Question # 2
i
3
=
Choose an answer
-1
i
-i
1
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Question # 3
The set R is ........w.r.t subtraction
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Not a group
A group
No conclusion drawn
Non commutative group
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Question # 4
The sample space for tossing a coin twice is
Choose an answer
{H, T}
{HH, HT, TH, TT}
{H, T, HH}
{HH, HT, TT}
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Question # 5
The distance of the point (2,3) from y-axis is
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2
3
5
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Question # 6
One second is denoted by
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1
0
1'
1"
1 rad
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Question # 7
In ladder leaning against a vertical well makes an angle of 24
𝜊
with the wall, Its foot is 5m from the wall, its length is
Choose an answer
5.47m
2m
7m
6.29m
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Question # 8
For all points (x,y) in third quadrant
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x > 0 , y < 0
x > 0 , y > 0
x < 0 , y < 0
x < 0 , y > 0
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Question # 9
(x3-1/x)12
Choose an answer
295
495
395
722
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Question # 10
a.a
-1
= a
-1
.a = 1 is a
Choose an answer
Commutative law of multiplication
Multiplication identity
Associative law of multiplication
Multiplication inverse
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Question # 11
The equation of the line perpendicular to x- axis and passing through (-5,3) is
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y -3 =0
x+ 3 =0
y- 3 =∞
x +5 =0
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Question # 12
(2, 1) is in the solution of the inequality
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2x + y
>
7
x - y > 2
3x + 5y < 6
2x + y < 6
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Question # 13
Express the perimeter P of square as a function of its area A?
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P = 4√A
P =√A
P = 2A
P =π√A
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Question # 14
An A.P., a G.P. and a H.P. have the same first and last terms and the same odd numbers of terms, the middle terms of the three series are in
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A.P.
G.P.
H.P.
None of these
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Question # 15
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Question # 16
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(x, y)
(kx, y)
(x, ky)
(kx, ky)
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Question # 17
G = {e, a, b, c} is an Abelian group with e as identity element The order of the other elements are
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2,2,2
3,3,3
2,2,4
2,3,4
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Question # 18
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0
-1
1
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Question # 19
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Question # 20
The solution set of the equation tan
-1
x - cot
-1
x = cos
-1
(2 - x) is
Choose an answer
[0, 1]
[-1, 1]
[1, 3]
None of these
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Question # 21
f(x) = ax + b will be an identity function if
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a = 1 , b = 1
a = 1 , b = 0
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Question # 22
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Question # 23
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Question # 24
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none of these
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Question # 25
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Question # 26
For an arithmetic series to be convergent it is necessary that the series has
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Finite terms
d<0
Infinite terms
None of these
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Question # 27
A conditional "if p then q" is denoted by
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Question # 28
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4x + 1
4x
2x
3
none of these
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Question # 29
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 # 30
An improper rational fraction can be reduced by division to a
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Proper fraction
Polynomial
mixed form
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Question # 31
Choose an answer
1
1/2
0
None
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