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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Proper fraction
Improper fraction
Rational fraction
None of these
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Question # 2
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x
39
40x
39
40x
41
none of these
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Question # 3
a + x is ______
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A trinomial
A binomial
A monomial
None of these
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Question # 4
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Question # 5
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Associative property of addition
Associative property of multiplication
Commutative property of addition
Commutative property of multiplication
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Question # 6
The complement of set A relative to universal set U is the set
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{x / x∈ A∧ x∈ U}
{x / x∉ A∧ x ∈ U}
{x / x∈ A and x ∉ U}
A-U
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Question # 7
(a,0) x (c, 0) =
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(0,ac)
(ac, 0)
(0,0)
(a, c)
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Question # 8
The unit vector along x-axis is
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none of these
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Question # 9
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Question # 10
The equation of the circle with centre origin and radius r is
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x
2
+ y
2
= 1
x
2
+ y
2
= r
2
x
2
+ y
2
= 0
x
2
- y
2
= r
2
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Question # 11
A box contains 10 red 30 white and 20 black marbles When a marble is drawn at random the probability that it is either red or white is
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1/6
1/3
1/2
2/3
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Question # 12
The parametric equation of a curve are x = t
2
, y = t
3
then
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Question # 13
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all
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Question # 14
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Question # 15
O (
0,0
)
is called:
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Position vector
Free vector
Unite vector
Null vector
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Question # 16
The positive value of k for which the equation x2 + kx + 64 = 0 has one of the roots 0
Choose an answer
4
64
8
All values of k
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Question # 17
The term involving x4 the expansion (3-2x)7 is
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217 x4
15120x4
313x4
-25x4
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Question # 18
(7, 9) + (3, -5) =
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(4, 4)
(10, 4)
(9, -5)
(7, 3)
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Question # 19
The multiplicative inverse of -1 in the set {1-, 1} is
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1
-1
0
Does not exist
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Question # 20
Which of the following is a vector.
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distance
temperature
energy
acceleration
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Question # 21
Let A is a 3 x 3 matrix and B is its adjoint matrix. If |B| = 64, then |A| =
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Question # 22
3x + 4
<
0 is
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not inequality
equation
identity
inequality
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Question # 23
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Question # 24
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Question # 25
The solution set of x < 4 is
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-
∞
< x < 4
-
∞
> x > 4
-
∞
< x < 2
-
∞
> x > 2
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Question # 26
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Question # 27
Equation of normal to the circle x2 + y2 =25 at (5cosθ,5sinθ)
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xcosθ+ysinθ =5
xcosθ -ysinθ =0
xsinθ -ycosθ =0
None of these
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Question # 28
a.a
-1
= a
-1
.a = 1 is a
Choose an answer
Commutative law of multiplication
Multiplication identity
Associative law of multiplication
Multiplication inverse
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Question # 29
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Question # 30
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Question # 31
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1
-1
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