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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
The graph of a quadratic function is
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Circle
Ellipse
Parabola
Hexagon
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Question # 2
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Question # 3
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Question # 4
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Question # 5
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1/2
2
1/4
4
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Question # 6
5th term of a G.P. is 2, then the product of first 9 terms is
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256
128
512
None of these
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Question # 7
The√ is used for the
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Positive square root
Negative square root
+ve and -ve square root
Whole number
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Question # 8
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Question # 9
To each element of a group there corresponds ............. inverse element
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Two
One
No
Three
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Question # 10
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π / 3
π / 4
π / 6
0
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Question # 11
One root of the equation cos x - x + 1/2 = 0 lies in the interval
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Question # 12
A rule or correspondence that assigns to each element x in X a unique element y in Y is called a function from
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X to X
X to Y
Y to X
none of these
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Question # 13
The constant distance of all points of the circle from its centre is called the
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Radius of the circle
Secant of the circle
Chord of the circle
Diameter of the circle
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Question # 14
The Principal value of sin-1 (-1/1/2)
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π/2
-π/2
π
-π
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Question # 15
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3/4
r
v
None of these
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Question # 16
Ifπ≤x≤2π, then cos-1 (cos x)=
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cos x
-x
1/x
-x
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Question # 17
Sec
-1
x =
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Cos
-1
1/x
cosec
-1
1/x
Cos
-1
(-x)
Tan
-1
x
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Question # 18
If a, b, c are in AP., a, b, c are in G.P. then A, m
2
b, c are in
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A.P.
G.P.
H.P.
None of these
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Question # 19
If D = {a} , the P(D) =
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{a}
∅
{∅,{a}}
{∅,a}
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Question # 20
2x = 3 is a conditional equation it is true for
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2
3
3/2
2/3
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Question # 21
If 3x4 +4x3+x5is divided by x+1 , which of the following is the remainder
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7
-2
6
1
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Question # 22
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Question # 23
If x is an image of y under the function f. This can be written as
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y = f(x)
f(x) = 0
x = f(y)
f(y) =0
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Question # 24
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none of these
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Question # 25
0! = ______
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0
1
2
Not defined
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Question # 26
If
∀a,b ε R,then a +b ε R is a property
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Closure law of addition
Associative law of addition
Additive inverse
Additive identity
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Question # 27
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A
B
U
None of these
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Question # 28
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Question # 29
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Always negative
Zero
Always positive
Infinity
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Question # 30
Multiplying each side of an inequality by (-1) will:
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Not effect
Change the sign
Become zero
Not defined
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Question # 31
The set {Z\ {0} } is group w.r.t
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Addition
Multiplication
Division
Subtraction
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