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NAT I Engineering Mathematics MCQs With Answers
Question # 1
For any set X, X∪X is
Choose an answer
15
15i
-15i
-15
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Question # 2
If sinθ = 1 then θ =
Choose an answer
2nπ +π/2
2nπ
2π +n
Nπ +π/2
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Question # 3
The equation of the circle with center origin and radius 2√2 is
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x
2
+ y
2
= 2√2
x
2
+ y
2
= 8
x
2
- y
2
= 2√2
x
2
- y
2
= 8
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Question # 4
The multiplicative inverse of -1 in the set {1-,1} is
Choose an answer
40
30
50
20
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Question # 5
The two different parts of the hyperbola are called is
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Vertices
Directrices
Nappes
Branches
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Question # 6
The associative angle of 280
o
is
Choose an answer
100
o
10
o
80
o
-80
o
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Question # 7
If 4 - x > 5, then
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x > 1
x > -1
x < 1
x < -1
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Question # 8
The perpendicular bisector of any chord of a circle
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Passes through the center of the circle
Does not pass through the center of the circle
May or may not pass through the center of the circle
None of these
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Question # 9
Write the first four term of the arithmetic sequence if a
1
= 5 and other three consecutive terms are 23,26,29
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18 years
36 years
8 years
16 years
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Question # 10
Two matrices A and B are conformable for multiplication (AB) if and only if
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Addition
Multiplication
Division
Subtraction
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Question # 11
In the function v = 4/3 π r
3
, V is a function of
Choose an answer
3/4
r
v
π
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