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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
f(x) = x3-x/x2+1 is :
Choose an answer
an even function
an odd function
an even and implicit function
neither even nor a odd
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Question # 2
The Principal value of sin-1 (-1/1/2)
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π/2
-π/2
π
-π
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Question # 3
(a-1)-1 =
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a-1
a
-a
None of above
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Question # 4
If S = {3,6,9,12.......}, then
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S = Four multiples of 3
S = Set of even numbers
S = Set of prime numbers
S = All multiples of 3
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Question # 5
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 # 6
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Question # 7
Coordinates of the focus of the parabola x
2
- 4x -8y-4=0 are:
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(0,2)
(,0,1)
(2,0)
(1,2)
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Question # 8
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Question # 9
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360°
180°
90°
None of these
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Question # 10
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Question # 11
The quadratic formula is
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Question # 12
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2
1
5
0
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Question # 13
cos
4
θ
- sin
4
θ
=
Choose an answer
cos4
θ
cos2
θ
-sin
θ
sin2
θ
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Question # 14
The 7th term of the A.P 7,11,15,is
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24
31
26
23
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Question # 15
The standard parabolic form of the equation f(x) = x
2
+4 x +1 is
Choose an answer
x(x+4)+1
(x+2)
2
-3
(x+4)
3
+ 9
x(x-2)
2
+1
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Question # 16
Choose an answer
3 x 2
2 x 3
3 x 3
2 x 2
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Question # 17
A function which is to be maximized or minimized is called an
Choose an answer
Explicit function
Implicit function
Objective function
None
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Question # 18
The projections of a line segment on x, y, z axes are 12, 4, 3. The length and the direction cosines of the line segment are
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Question # 19
If (0, 0) and (0, -1) are end points of a diameter, then the equation of the circle is
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Question # 20
Choose an answer
0
-1-w
2
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Question # 21
Choose an answer
A finite non-empty set
Null set
Both a and b
None of these
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Question # 22
Unit vector in the positive direction of x-axis is
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Question # 23
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Question # 24
The point R dividing internally the line joining the points P(x
1
, y
1
) and Q(x
2
, y
2
) in the ratio K
1
: K
2
has the coordinates
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Question # 25
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Question # 26
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Question # 27
We solve the system of non-homogeneous linear equations by
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a and b
b and c
c and a
a,b and c
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Question # 28
Associative law of multiplication
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ab - ba
a(bc) = (ab) c
a(b + c) = ab +ac
(a +b)c = ac + bc
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Question # 29
If nis positive integers, then 2
n
>2n+1, only when
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n≤ 3
n≥ 3
n≤ 2
n≤ 1
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Question # 30
One degree is denoted by
Choose an answer
1
0
1'
1"
1 rad
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Question # 31
graph of trigonometric function y = sec x does not meet
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x - axis
y -axis
both axis
None of these
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