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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
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a sin(ax + b) + c
- a sin(ax + b) + c
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Question # 3
The middle term of [1/x-x]
10
is
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-152
-252
371
-421
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Question # 4
If f(x) = x
3
- 2x
2
+ 4x -1 then f(0) is
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0
1
-1
none of these
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Question # 5
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6
20
0
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Question # 6
A line joining two distinct points on a parabola is called a ______ of the parabola.
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Chord
Tangent
Lust rectum
directrix
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Question # 7
The position vector of a point (x, y) in xy plane is
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none of these
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Question # 8
i
3
=
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-1
i
-i
1
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Question # 9
A rectangular hyperbola whose centre is C is cut by any circle of radius r in four points P, Q, R and S. Then CP
2
+ CQ
2
+ CR
2
+ CS
2
=
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r
2
2 r
2
3 r
2
4 r
2
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Question # 10
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Question # 11
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Question # 12
a chord passing through the focus of a parabola is called a:
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Focal chord
Latus rectum
Tangent
Directrix
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Question # 13
If A is a set then any subset R of A x A is called
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relation on A
relation on B
relation from A to B
relation from B to A
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Question # 14
The A.M. of two numbers is 34 and G.M. is 16, the numbers are
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2 and 64
64 and 3
64 and 4
None of these
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Question # 15
(ABC)' =
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CBA'
CBA
C' B' A'
None of these
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Question # 16
The value of the expression sin
θ
+ cos
θ
lies between
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Question # 17
Domain of cos x is ______
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Question # 18
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Question # 19
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Question # 20
Parametric equation of circle : x
2
+y
2
+r
2
, are
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r1 = x cos𝜽 r
2
= y sin𝜽
x = r cos𝜽 y = r sin𝜽
x = r sin𝜽1 y = r sin𝜽2
x = r
1
cos𝜽 y = r
2 sin𝜽
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Question # 21
The familiar plane curves, namely circle, ellipse, parabola and hyperbola are called:
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cones
conics
nappes
apex
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Question # 22
Every subset of a finite set is
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Disjoint
Null
Finite
Infinite
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Question # 23
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Question # 24
A class contains nine boys and three girls, in how many ways can the teacher choose a committee of four?
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460
495
272
60
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Question # 25
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2
4
6
8
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Question # 26
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Question # 27
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Question # 28
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3
1
4
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Question # 29
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Question # 30
What is the value of cos (cos-1 2) ?
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√2
1/2
undefine
0
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Question # 31
202.04 is an example of
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Recurring decimals
Non-recurring decimals
Terminating decimals
None of these
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