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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
Union of the sets of rational and irrational numbers is called 6th set of
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Natural numbers
Real numbers
Whole numbers
Prime numbers
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Question # 3
The expansion of (1 + 2x)
-2
is valed if
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| x | < 1/2
| x | < 1
| x | < 2
| x | < 3
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Question # 4
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Symmetric
Skew-symmetric
Hermitian
Skew hermitian
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Question # 5
∀a,b,c∈R, a >b ∧ b>c ⇒ a >c is
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Trichotomy property
Transitive property
Symmetric property
Additive property
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Question # 6
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Question # 7
The 8th term of (1+2x)
-1/2
is
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-221/16 x
7
-225/18 x
7
-407/9 x
3
-429/16 x
7
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Question # 8
The 6th term of an arithmetic sequence whose first term is 3 and common difference in zero is
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18
6
3
0
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Question # 9
If n is odd then the middle terms in the expansion of (a + x)
n
are
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Question # 10
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Question # 11
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Question # 12
Decimal part of irrational number is
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Terminating
Repeating only
Neither repeating nor terminating
Repeating and terminating
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Question # 13
Which of the following is skew symmetric matrix
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Question # 14
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Question # 15
The sample space for tossing a coin once is
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{T, T}
{H, H}
{H, T}
None of these
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Question # 16
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At
-A
A
A-1
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Question # 17
A vector with magnitude one is called
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constant vector
unit vector
zero vector
null vector
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Question # 18
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Question # 19
What is the conjugate of -6 -i
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-6 +i
6 + i
-6 -i
6 -i
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Question # 20
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Rational
Irrational
Natural
Odd
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Question # 21
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cos 2x
2 cos 2x
2 sin2x
-2 cos2x
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Question # 22
The fifth term of (a+2x3)17 is
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4013 x3a13
2208a13 x12
223x7a18
38080a13 x12
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Question # 23
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Question # 24
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An ellipse
A parabola
A circle
A hyperbola
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Question # 25
If P = {x/x = p/q where p,q∈ Z and q≠ 0}, then P is the set of
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Irrational numbers
Even numbers
Rational numbers
Whole numbers
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Question # 26
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2 x 2
2 x 3
3 x 2
3 x 3
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Question # 27
There is no integer n for which 3n is
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Even
Prime
Odd
Real
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Question # 28
The obtuse angle between lines = -2 and y = x +2 is
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120°
135°
150°
140°
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Question # 29
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Question # 30
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Question # 31
cos(3π/2 +θ) = _____;
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sinθ
cosθ
-sinθ
-cosθ
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