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ECAT Mathematics Online Test MCQs With Answers
Question # 1
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-1
1
2
-2
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Question # 2
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Evert element of A is in B
Every element of B is in A
Every element of A is in B'
Every element of A is in A
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Question # 3
(1+w)(1+w2)(1+w4)(1+w8)....50 factors
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0
-1
1
2
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Question # 4
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Question # 5
∀ a ε R ∃ o ε R such that a + v = 0 + a = a is property of
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Commutative law of addition
Associative law of addition
Additive identity
Additive inverse
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Question # 6
The set of real roots of the equation log
(5x + 4)
(2x +3)
3
- log
(2x + 3)
(10x
2
+ 23x + 12) = 1 is
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{-1}
{-3/5}
Empty set
{-1/3}
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Question # 7
E-radius corresponding to < B is
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Question # 8
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Question # 9
Given two independent event A and B such that P(A) = 0.30 and P(B) = 0.60. Probability of getting neither A nor B is
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0.28
0.13
0.12
0.42
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Question # 10
The equation of the parabola with directirx x = 2 and the axis y = 0 is
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y
2
= 8x
y
2
= -8x
y
2
= 4x
y
2
= -4x
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Question # 11
If p and q are two statements then their biconditional 'p if q' is denoted by
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Question # 12
Riaz, Saba. Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in
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4 ways
12 ways
256 ways
24 ways
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Question # 13
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2
7
8
12
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Question # 14
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2
4
8
12
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Question # 15
The difference of two consecutive terms of an A.P. is called ______
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General term
Common ratio
Common difference
None of these
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Question # 16
If line through (4,3) and (2,k) is perpendicular to y =2x +3, then k =_______
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-1
1
-4
4
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Question # 17
Sum of n terms of a geometric series if | r | < 1 is
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Question # 18
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x
39
40x
39
40x
41
none of these
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Question # 19
The equations of the line thro' the point (2, 3, -5) and equally inclined to the axis are
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Question # 20
The condition for polynomial equation ax
2
+ bx + c = 0 to be quadratic is
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Question # 21
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trigonometric equation
conditional equation
identity
None
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Question # 22
The angle between the vectors 3i + j - k and 2i - j + k is
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Question # 23
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Question # 24
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 # 25
The arbitrary constants involving in the solution can be determined by the given conditions. Such conditions are called
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Boundaries
Variable separable
Initial values
None
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Question # 26
Derivative of x
3
w.r.t x is
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0
1
3x
2
x
3
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Question # 27
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Question # 28
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Question # 29
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Question # 30
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One-one but not onto
One-one and onto
Onto but not one-one
Neither one-one nor onto
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Question # 31
The interval in which f(x)=x3-6x2+9x is increasing
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1<x<3
x<1 and x>3
X ≥1 and x ≤ 3
-∞ < x < ∞
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