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NAT I Engineering Mathematics MCQs With Answers
Question # 1
d/dx a
x
is
Choose an answer
xa
x-1
a
x
x in a
a
x
in a
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Question # 2
π/3 is
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A positive integer
A negative integer
A natural number
An irrational number
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Question # 3
A fraction in which the degree of the numerator is less than the degree of the denominator is called
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1-i √-3 / 2
-1+i √-3 / 2i
-1+i √3 / 2
1+i √3 / 2
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Question # 4
How many different arrangements of the letters in the word QABABA are Possible?
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720
40
60
30
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Question # 5
The end points of the major axis of the ellipse are called its
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foci
Vertices
Co-vertices
eccentricity
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Question # 6
If C
n
r
, P
n
r
= 24:1 then r = ?
Choose an answer
1
2
3
4
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Question # 7
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 # 8
In general matrices do not satisfy
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Not a group
A group w.r.t. subtraction
A group w.r.t. division
A group w.r.t. multiplication
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Question # 9
The degree of the polynomial 2x
4
+ 3x
2
+ 16x + 28 = x
4
+ 2x
2
is
Choose an answer
[a
ij -
b
ji
]
[a
ij -
b
ij
]
[a
ij -
b
ij
]
[a
ij] - [
b
ij
]
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Question # 10
Which is not included in the domain of Cos
-1
x
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0
1
-1
2
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Question # 11
If Cosθ =0, Then θ=
Choose an answer
nπ/2
(2n + 1)π/2
(2n - 1)π/2
(n ±1)π/2
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