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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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1
2
3
4
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Question # 2
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Question # 3
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A
A'
U
U'
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Question # 4
Range if y = cos x is
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-1≤ y≤ 1
-1 < y < 1
-∞ < x < +∞
None of these
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Question # 5
If A=B, then
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A⊂B and B⊂A
A⊆B and B⊈A
A⊆B and B⊆A
None of these
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Question # 6
If one root of the equation x
2
- 3x + a = 0 is 2 then a = ______
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0
1
2
3
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Question # 7
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Question # 8
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0
1
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Question # 9
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 # 10
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x
2
+ 2x + c
(x
2
+ 2x -1)
4
+ c
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Question # 11
The distance of the point (-2,3) from x-axis is
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-2
2
3
1
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Question # 12
The point ________ is in the solution of the inequality 2x - 3y < 4
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(0, -2)
(1, -3)
(2, 2)
(3, 0)
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Question # 13
If n € N , then n(n+3) is always
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Multiple of 3
Multiple of 6
odd
even
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Question # 14
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3/4
r
v
None of these
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Question # 15
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Question # 16
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Question # 17
For non-trival solution |A| is
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non zero
A = 0
|A| = 0
At = 0
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Question # 18
If n(X) = 18, n(X∩Y) = 7, n(X∪ Y) = 40 then n(Y) =
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1
12
5
29
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Question # 19
The point which is closet to the focus of a parabola is:
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vertex
Chord
Focus
Directix
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Question # 20
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Rational
Irrational
Non-real
Zero
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Question # 21
The fifteenth term of (3-a)
15
is
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-17a
12
-945a
13
-941a
13
-515a
12
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Question # 22
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real number
complex number
rational number
irrational number
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Question # 23
If one root of 5x2 + 13x + k = 0 be the reciprocal of the other root the value of k is
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0
2
1
5
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Question # 24
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Question # 25
The value of the expression 3 cosθ+ 4 sinθθlie between
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-7 and 7
-25 and 25
-1 and 1
-5 and 5
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Question # 26
Range of 3 sin x is ______
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[ -3, 3]
[-1, 1]
R
None of these
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Question # 27
For graphing a linear inequality, solid line is drawn if the inequality involves the symbols:
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> or <
>
or
<
= or≠
= or >
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Question # 28
If you are looking a high point from the ground, then the angle formed is
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Angle of elevation
Angle of depression
Right angle
Horizon
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Question # 29
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Question # 30
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Question # 31
The nth term of a G.P. is
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a
1
r
n
a
1
r
n+1
a
1
r
n-1
a
1
r
-n
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