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ECAT Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
The range of y=x2 + 1 is the set of non-negative real numbers except
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0≤ y < 1
0 < y < 1
0≤ y≤ 1
0 < y≤1
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Question # 3
The 60th part of one minute is called
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Degree
Second
Radiam
None of these
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Question # 4
Three dice are thrown together. The probability of getting a total of at least 6 is
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103 / 108
10 / 216
93 / 108
None of these
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Question # 5
The period of tan x/7 is
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3π
7π
15π
5π
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Question # 6
Which of the following statement is true?
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A set is a collection of non-empty object
A set is a collection of only numbers
a set is any collection of things
a set is well-defined collection of objects
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Question # 7
The radius of the circle (x - 1)
2
+ (y + 3)
2
= 61 is
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8
4
64
None of these
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Question # 8
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Question # 9
What is the conjugate of -6 -i
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-6 +i
6 + i
-6 -i
6 -i
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Question # 10
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A finite non-empty set
Null set
Both a and b
None of these
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Question # 11
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n < 8/5
n < 5/8
|n| < 8/5
|n|>8/5
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Question # 12
F(x) = x
x
decreases in the interval
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(0, e)
(0, 1)
(-
∞
,0)
None
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Question # 13
i
2
=
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1
2
-1
0
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Question # 14
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Question # 15
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[0, 0, 0]
[1, 0, 0]
[0, 1, 0]
[0, 0, 1]
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Question # 16
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2C
C
3
1
0
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Question # 17
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Question # 18
A quadratic equation in x is an equation that can be witten in the form
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ax
2
+ b = 0
ax
3
+b
2
+c=0
ax
2
+bx+c=0
ax
3
+bx
3
+cx=0
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Question # 19
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Question # 20
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Question # 21
If n is a negative integer n! is
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1
0
Unique
Not defined
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Question # 22
The angle between lines xy =0 is
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45°
60°
90°
180°
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Question # 23
The geometrical representation of a linear function is
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Circle
Parabola
Straight lie
None of these
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Question # 24
What is the period of 6 sin x=?
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π
-π
π/2
2π
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Question # 25
The number of ways of arranging the letter AAAAA BBB CCC D EE F in a row when no two C's are together is
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Question # 26
2.333....is a
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Irrational no
Complex no
Rational no
None of these
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Question # 27
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From an empty set
1
2
>2
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Question # 28
The area bounded by y = x (x2 - 4) and below x - axis is
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4
0
-4
8
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Question # 29
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Question # 30
In a country 55% of the male population has houses in cities while 30% have houses both in cities and in villages find the percentage of the population that has houses only in villages
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45
30
25
50
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Question # 31
Domain of sec x is ______
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