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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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0
1
-1
None of these
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Question # 2
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Question # 3
The cube roots of 8 are
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Question # 4
i =
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Question # 5
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Question # 6
If the cutting plane is slightly tilted and cuts only one nappe of the cone, the resulting section is:
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an ellipse
Circle
a hyperbola
a parabola
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Question # 7
The multiplicative inverse of -3i is
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3i
-3i
-1/3i
1/3 i
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Question # 8
If Sin A = sin B, cos A = cos B, then the value of A in terms of B is
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Question # 9
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 # 10
Every subset of a finite set is
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Disjoint
Null
Finite
Infinite
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Question # 11
The number of subsets of a set having three elements is
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4
6
8
none of these
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Question # 12
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Question # 13
The mid point of the line segment joining the points A(3,1) and B(-2,-4) is
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(1, -3)
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Question # 14
3, 6, 12,.... is
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A.P
G.P.
H.P.
None of these
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Question # 15
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1
5
7
9
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Question # 16
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Question # 17
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Question # 18
For all points (x,y) in first 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 # 19
The vertex of the parabola (xsin a -ycos a)2 =4a(xcos a +ysin a) lies at
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(acos a,asin a)
(a,0)
(cos a,sin a)
(0,0)
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Question # 20
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2x + 2y
4 - x
2
-x/y
x/y
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Question # 21
PQ is a post of given height a, and AB is a tower at some distance;
α
and
β
are the angles of elevation of B, the top of the tower, at P and Q respectively. The height of the tower and its distance from the post are
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Question # 22
The period of|sin2x| is
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π/2
-π/2
π
π/3
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Question # 23
In any triangle ABC,with usual notationαsinβ =____;
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b sinα
bsinβ
αsinα
None of these
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Question # 24
For any two sets A and, A ⊆ B if
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x ∈ A ⇒ x ∈ B
x ∉ A ⇒ x ∉ B
x ∈ A ⇒ x ∉ B
None of these
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Question # 25
If f(x) = cos x then f(0) is
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0
1
1/2
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Question # 26
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A
-
A
t
-A
A
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Question # 27
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Question # 28
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none of these
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Question # 29
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Question # 30
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2x
2
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Question # 31
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