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ECAT Mathematics Online Test MCQs With Answers
Question # 1
Period of Cotangent function is
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π
-π
0
-2π
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Question # 2
The period of the function csc x/4 us
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4x
π/4
8π
π/8
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Question # 3
If n(A) = n then n(P(A)) is
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2n
n
2
n/2
2
n
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Question # 4
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Question # 5
Sum of two quantities is at least 20 is denoted by
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x +y =20
x +y≥ 20
x +y≠ 20
x +y≤20
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Question # 6
(2, 1) is in the solution of the inequality
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2x + y
>
7
x - y > 2
3x + 5y < 6
2x + y < 6
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Question # 7
If A = {x/x is a positive integer and 4≤x<23}, then A=
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{1,2,3,4,5,6,7}
{4,5,6...........22}
{1,2,3,.........23}
{1,2,3,4,5}
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Question # 8
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Question # 9
w
73
= ______
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0
1
w
w
2
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Question # 10
Sine rule for a triangle states that
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a/sin A = b/sin B = c/sin C
sin A/a = sin B/b = sin C/c
a/sin A + b/sin B + c/sin C
2a/sin A = 2b/sin B = 2c/sin C
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Question # 11
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Question # 12
The area enclosed between the graph y = x
2
-4x and the x- axis is:
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20/3
41/3
32/3
25/3
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Question # 13
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Question # 14
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Question # 15
The point (x
1
, y
1
) lies outside the circle x
2
+ y
2
+ 2gx + 2fy + c =0 if
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Question # 16
If s = 2t
3
- 3t
2
+ 15t - 8 is the equation of motion of a particle, then its initial velocity is
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8
15
-6
None
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Question # 17
The set of rationals numbers between 0 and I is
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Finite
Null set
Infinite
None of these
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Question # 18
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Question # 19
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 # 20
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A.P.
G.P.
H.P.
None of these
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Question # 21
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sin h x
cos h x
tan h x
cot h x
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Question # 22
Name the property used in 1000 x 1 = 1000
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additive inverse
multiplicative inverse
additive identity
multiplicative identity
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Question # 23
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0
1
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Question # 24
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Question # 25
(ABC)' =
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CBA'
CBA
C' B' A'
None of these
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Question # 26
IfΔABC is right, law of cosine reduce to
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Law of sine
Law of tangent
Phthogorous theorem
Hero's formula
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Question # 27
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Question # 28
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Question # 29
cos h
2
x + sin h
2
x
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an even function
an odd function
an even and implicit function
neither even nor a odd
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Question # 30
1 + 2 + 3 + ...... + n = ______
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Question # 31
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