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ECAT Mathematics Online Test MCQs With Answers
Question # 1
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0
1
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Question # 2
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Question # 3
When the angle between the ground and the sun is 30
š
,flag pole costss a shadow of 40 mg long. the height of the top of the flag is
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25m
23m
12m
29m
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Question # 4
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Question # 5
āa,b,cāR and c>0,then
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a>b ā ac < bc
a>b ā ac > bc
a<b ā ac > bc
None of these
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Question # 6
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Question # 7
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30Ā°
45Ā°
60Ā°
120Ā°
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Question # 8
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Question # 9
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a = a
a < a
a > a
a
2
= a
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Question # 10
If cos (2 sin-1 x) = 1/9 , then what is the value of x?
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1/3
-2/3
2/3
2/3 , -2/3
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Question # 11
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0
-1
1
1/2
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Question # 12
If a
1
= a
2
= 2, a
n
= a
n-1
- 1 (n > 2), then a
5
is
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1
0
-1
-2
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Question # 13
The positive integer just greater than (1+0.0001)
10000
is
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4
5
2
3
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Question # 14
Name the property used in 4 x (5 x 8) = ( 4 x 5) x 8
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Associative property of addition
Associative property of multiplication
Additive identity
Multiplicative identity
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Question # 15
What is the probability of being born on Wednesday?
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1/7
1/2
1/3
1/8
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Question # 16
tan (-135Ā°) = ______
Īø
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0
1
2
3
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Question # 17
Each complex cube root of unity is square of
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itself
1
-1
the other
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Question # 18
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none of these
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Question # 19
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all are correct
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Question # 20
ā-1 b=
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b
2
2b
None of these
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Question # 21
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9
-9
0
1
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Question # 22
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Question # 23
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6x - 2 + c
x
3
- x
2
+ x + c
6x - x
2
+ c
6x
3
- x
2
+ c
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Question # 24
Tan 3x tan 2x-tan x is equal to
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Tan x tan 2x tan 3x
-tan x tan 2x tan 3x
Tan x tan 2x - tan - tan x tan 3x - tan 2x tan 3x
None of these
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Question # 25
The set {1, 2, 3, 4, ....} is called
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Set of Natural numbers
Set of whole numbers
Set of rational number
Set of irrational numbers
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Question # 26
If the circumference of a circle is divided into 360 congruent parts, the angle subtended by one part at the centre of the circle is
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1
0
1'
1"
1 rad
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Question # 27
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Question # 28
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I quadrant
II quadrant
III quadrant
IV quadrant
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Question # 29
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Question # 30
If Projvu = Projuv, then
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Uand vare parallel
|u|=|v|
Uandvre perpendicular
One ofuorv
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Question # 31
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