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ECAT Mathematics Online Test MCQs With Answers
Question # 1
Name the property used in 4 + 9 = 9 + 4
Choose an answer
Associative property of addition
Commutative property of addition
Distributive property
Additive identity
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Question # 2
Which of the following ordered pair is a solution of the inequality x+2y<6?
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(2,3)
(2,2)
(6,0)
(1,1)
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Question # 3
The property used in -3 <-2 ⇒0 <1
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Commutative property
Additive property of inequality
Additive inverse
Additive identity
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Question # 4
There are 25 tickets bearing number from 1 to 25. One ticket is drawn at random. The probability that the number on it is a multiple of 5 or 6 is
Choose an answer
7 / 25
9 / 25
11 / 25
None of these
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Question # 5
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Question # 6
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Question # 7
f (x) = | x | is a/an
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Injective function
Bijective function
Surjective function
Implicit function
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Question # 8
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0
1
-1
None
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Question # 9
The general solution of tan 3x = 1 is
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Question # 10
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The law of consines
The law of sines
The law of tangents
None of these
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Question # 11
If y = eax sin bx and y2 - 2ay1 + (a2+b2) y=0 the for what values of a and b we have y2+10y1+34y =0
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a = -10,b=34
a=-5,b=3
a=5,b=3
a=10,b=34
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Question # 12
(0,0) is in the solution of the inequality
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x + y > 3
x - y > 2
3x + 2y > 5
3x - 2y < 2
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Question # 13
The point P (5,8) and the origin lie on the side of the line 3x+ 7y+ 15 =0
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Same side
P above and origin below
Opposite side
P below and origin above
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Question # 14
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20
10
0
None of these
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Question # 15
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Question # 16
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Question # 17
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Question # 18
Choose an answer
none of these
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Question # 19
Range of tan
θ
is
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Set of complex numbers
Set of real numbers
Set of odd numbers
Set of positive integers only
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Question # 20
If f(x) = x
2
- x then f(-2) is
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4
6
2
0
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Question # 21
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2
0
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Question # 22
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Rational
Irrational
Non-real
Zero
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Question # 23
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2
4
3
16
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Question # 24
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Question # 25
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n if n is even
0 for any natural number n
1 if in odd
None of these
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Question # 26
The set {Z\ {0} } is group w.r.t
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Addition
Multiplication
Division
Subtraction
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Question # 27
The mid point of the line segment joining the points (a,b) and (b,a) is
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Question # 28
Domain of y = cot x = ______
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Question # 29
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At
-A
A
A-1
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Question # 30
The matrix A is Hermitian when (A)' =
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A
-A
A
A'
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Question # 31
The equation ax
2
+ 2hxy + by
2
+2gx + 2fy + c =0 represents an ellipse if
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