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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
the largest degree of the terms in the polynomials is called
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terms of the polynomial
degree of a polynomial
co-efficient
monomial
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Question # 2
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2
0
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Question # 3
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a
x
a
x
In a
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Question # 4
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quadrant I
quadrant II
quadrant III
quadrant IV
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Question # 5
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none of these
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Question # 6
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Question # 7
Which of the following is not a unit vector
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[1, 1, 1]
[0, 1, 0]
[0, 0, 1]
[1, 0, 0]
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Question # 8
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Question # 9
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none of these
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Question # 10
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Question # 11
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Question # 12
In a class of 100 students, 60 drink tea, 50 drink coffee and 30 drink both. A student from his class is selected at takes at last one of 2 drinks is
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2 / 5
3 / 5
4 / 5
None of these
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Question # 13
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Question # 14
Sum of all the four forth roots of unity is
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1
-1
i
0
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Question # 15
x = secθ,y = tanθ are the parametric equations of
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Circle
Hyperbola
Ellipse
parabola
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Question # 16
Tan 30° = _____
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Question # 17
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Question # 18
The three noncollinear points through which a circle passe are known, then we can find the:
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Variables x and y
Value of x and c
three constants f,g and c
inverse of the circle
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Question # 19
If distance of (a,b) from origin is 5 then
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a
2
+ b
2
=5
a = 5
b = 5
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Question # 20
Which of the following has the same value as i113
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i
-1
-i
1
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Question # 21
If the roots of ax
2
+ bx + c =0 are equal in magnitude but opposite in sign, then
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a = 0
b = 0
c = 0
None of these
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Question # 22
The sum of first 60 natural numbers is
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1830
3660
1640
1770
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Question # 23
The equation x2+ y2- 8x+ 6y+ 25= 0 represents
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A circle
A pair of straight lines
A point
None of these
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Question # 24
The two lines y = 2x and x =2y are
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Parallel
Perpendicular
Equally inclined with axes
Congruent
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Question # 25
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Question # 26
The line through the intersection of the lines x+ 2y+ 3= 0 : 3x +4y +7 =0 and making equal intercepts on the axes is
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x+ y+ 1= 0
x+ y- 2= 0
x+ y+ 2= 0
2x +y +2 =0
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Question # 27
The roots of the equation ax
2
+ bx + c = 0 are real and equal if
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b
2
- 4ac < 0
b
2
- 4ac = 0
b
2
- 4ac > 0
None of these
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Question # 28
The polar form of complex number x ≠ I y =
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r cos θ+ r sin θ
r cos θ+ is sin θ
cos θ+ r sin θ
i cos θ+ i sin θ
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Question # 29
In one hour, the hour hand of a clock turns through
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Question # 30
A and B be two square matrices and if their inverse exist the (AB)-1 =
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A-1 B-1
AB-1
A-1B
B-1A-1
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Question # 31
Range of tan x is ______
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[-1, -]
R
Negative real numbers
R - {x | - 1 < x < 1}
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