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ECAT Mathematics Online Test MCQs With Answers
Question # 1
Choose an answer
30°
60°
45°
None of these
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Question # 2
cos(3π/2 +θ) = _____;
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sinθ
cosθ
-sinθ
-cosθ
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Question # 3
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x
2
+ 2x + c
(x
2
+ 2x -1)
4
+ c
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Question # 4
If n is any positive integer then 2
n
> 2(n + 1) is true for all
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Question # 5
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Question # 6
The general solution of the differential equation x dy / dx = 1 + y is:
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2
1
3
None
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Question # 7
Find a if 1 is a root of the equation x
2
+ ax + 2 = 0
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3
-3
2
0
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Question # 8
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Question # 9
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Principle of equality of fractions
Rule for product of fractions
Golden rule of fractions
Rule for quotient of fractions
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Question # 10
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Question # 11
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1/8
1/2
1/4
1/6
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Question # 12
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The law of of sines
The law of tangents
The law of consines
None of these
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Question # 13
0.25 is ______
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An irrational number
A natural number
A prime number
A rational number
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Question # 14
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4
3
2
1
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Question # 15
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Lies between 4 and 7
Lies between 5 and 9
Has no value between 4 and 7
Has no value between 5 and 9
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Question # 16
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cos x
- sin x
- cos x
tan x
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Question # 17
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(a + b)c = a . c + bc
a + b = b + a
(a + b) + c = a + (b + c)
a(b+ c) = ab + ac
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Question # 18
Z is a
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Infinite set
Finite set
Singleton set
Set of all integers
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Question # 19
The point which divides the line joining the points (2, 4, 5) and (3, 5, -4) in the ratio -2 : 3 lines on
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ZOX plane
XOY plane
YOZ plane
None of these
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Question # 20
If S is a sample space and event set E = S then P(E) is
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>0
1
<1
0
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Question # 21
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Question # 22
If x < y, 2x = A, and 2y = B, then
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A = B
A < B
A < x
B < y
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Question # 23
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Question # 24
The total cost of 2 apples and 3 oranges is $1.70, which of the following is true
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The cost of one apple
The cost of one orange
Both have equal cost per item
Cost of each single item can not be determined
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Question # 25
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Question # 26
If f(x) = x
3
- 2x
2
+ 4x -1, then f(-2) = ?
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0
-25
5
45
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Question # 27
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Question # 28
The perimeter of a sector of a central angle of measure 1 radian out off an are of length 35cm is
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35 cm
70 cm
140 cm
105 cm
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Question # 29
e-radii are denoted by
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η
r2
r3
All of these
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Question # 30
0 (zero) is
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An irrational number
A rational number
A negative integer
A positive number
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Question # 31
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3x
2
+ 2
3x
2
+ 2x + 3
x
3
+ x
2
none of these
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