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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Choose an answer
direction ratios
direction cosines
direction angles
none of these
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Question # 2
If eccentricity of ellipse becomes zero then it takes the form of
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A parabola
A circle
A straight line
None of these
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Question # 3
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 # 4
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[0, 0, 0]
[1, 0, 0]
[0, 1, 0]
[0, 0, 1]
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Question # 5
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Question # 6
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Question # 7
If f(x) = x + 1 then f(z
2
-1) is
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z
2
z
2
+ 2
z
2
- 2
none of these
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Question # 8
Let a
1
, a
2
, a
3
, a
4
and a
5
be such that a
1
, a
2
, and a
3
are in A.P., a
2
, a
3
and a
4
are in G.P and a
3
, a
4
and a
5
are in H.P. Then, a
1
, a
3
and a
5
are in
Choose an answer
G.P.
A.P.
H.P.
None of these
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Question # 9
The inclination of a line parallel to x-axis is
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Question # 10
(a,0) x (c,0) =
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(0,ac)
(ac,0)
(0,0)
(a,c)
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Question # 11
Let P(x
1
, y
1
) and Q(x
2
, y
2
) be two points in the co-ordinate plane. Let d = distance between P and Q
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Question # 12
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7
5
6
None of these
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Question # 13
Domain of sec x is ______
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Question # 14
A conditional "if p then q" is denoted by
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Question # 15
sin[cot
-1
{cos(tan
-1
x)}]=
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Question # 16
Area of the circle with ends of a diameter at (-3,2) and (5,-6)
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128π sq. units
64π sq. units
32π sq.units
None of these
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Question # 17
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Question # 18
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Multiplication property
Additive property
Trichotomy property
Transitive property of inequality
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Question # 19
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 # 20
A line segment whose end points lie on a circle is called
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the secant of the circle
the arc of the circle
the chord of the circle
the circumference of the circle
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Question # 21
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Question # 22
The area under the curve y = 1/x
2
between x = 1 and x =4 is:
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-25
0.75
-0.35
-10
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Question # 23
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-1
0
1
None of these
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Question # 24
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Question # 25
Let A,B and C be any sets such that A∪B = A∪C and A∩ B = A∩ C then
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A = B
B = C
A≠ C
A ≠ B
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Question # 26
Roots of the equation x
2
+ 5x - 1 = 0 are
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Rational
Irrational
Complex
None of these
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Question # 27
It is not possible to find the exact value of
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π
√9
∛27
√1
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Question # 28
for n€ N, 3
2n + 7 is divisible by
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7
8
9
10
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Question # 29
Every term of a G.P. is positive and also every term is the sum of two preceding terms. Then the common ratio of the G.P. is
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Question # 30
The surface generated by lines, consists of two parts, called:
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vertex
apex
nappes
axis
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Question # 31
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