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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
There are 16 point in a plane, in which 6 are collinear. how many lines can be drawn by joining these points?
Choose an answer
10
66
71
106
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Question # 2
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Question # 3
The parametric equations of a circle are
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Question # 4
If a
1
, r are first term and the common ratio respectively then the sum of an infinite geometric series is
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Question # 5
The feasible region which can be enclosed within a circle is called
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Bounded region
Convex region
Unbounded region
None
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Question # 6
∀x∈(a,b),f(x) is increasing if
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f′(x) >0
f′(x) <0
f′′(x) >0
f′′(x) =0
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Question # 7
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3
1
2
4
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Question # 8
One minute is denoted by
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1
0
1'
1"
None of these
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Question # 9
The conic ax2+2hxy+by2+2gx+2fy+c= 0 never represent a circle if
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a≠ b,h≠0
a=b
h≠0
h=0
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Question # 10
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Question # 11
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1/2
2
1/4
4
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Question # 12
Three unbiased coins are tossed. Then the probabilities of getting two heads is
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3/8
1/8
1/4
None of these
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Question # 13
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Question # 14
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2 x 2
2 x 3
3 x 2
3 x 3
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Question # 15
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Question # 16
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Question # 17
The exact degree value of the function sin-1( -√3/2) is
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70
ο
50
ο
90
ο
60
ο
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Question # 18
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 # 19
If a > 0,b > 0, c > 0 then the roots of the equation ax2+ bx + c =0 are
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Real and negative
Non-real with negative real parts
Real and positive
Nothing can be said
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Question # 20
the curve of the parabola y
2
= -4ax is symmetric with respect to
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x -axis
y - axis
Botha x and y- axis
None of thes
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Question # 21
22.5°=______
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Question # 22
The solution set of x < 4 is
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-
∞
< x < 4
-
∞
> x > 4
-
∞
< x < 2
-
∞
> x > 2
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Question # 23
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405 / 256
504 / 259
450 / 263
None
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Question # 24
The middle term in the expansion of (a +x)
12
is
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7th
8th
9th
6th
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Question # 25
If the trace of matrix A is 5, then the trace of the matrix 3A is
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3/5
5/3
8
15
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Question # 26
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Question # 27
The vertices of the ellipse x
2
+ 4y
2
= 16 are
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Question # 28
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Question # 29
If the intersecting plane is parallel to a generator of the cone, but intersects its one nappe only, the curve obtained is
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an ellipse
a hyperbola
a circle
a parabola
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Question # 30
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4x + 1
4x
2x
3
none of these
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Question # 31
There are ______ types of rational fraction
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Three
Four
Five
Two
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